331721000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 256

約数和(自身を含む): 943488000

約数和(自身を除く): 611767000

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 19, 20, 25, 26, 34, 38, 40, 50, 52, 65, 68, 76, 79, 85, 95, 100, 104, 125, 130, 136, 152, 158, 170, 190, 200, 221, 247, 250, 260, 316, 323, 325, 340, 380, 395, 425, 442, 475, 494, 500, 520, 632, 646, 650, 680, 760, 790, 850, 884, 950, 988, 1000, 1027, 1105, 1235, 1292, 1300, 1343, 1501, 1580, 1615, 1625, 1700, 1768, 1900, 1975, 1976, 2054, 2125, 2210, 2375, 2470, 2584, 2600, 2686, 3002, 3160, 3230, 3250, 3400, 3800, 3950, 4108, 4199, 4250, 4420, 4750, 4940, 5135, 5372, 5525, 6004, 6175, 6460, 6500, 6715, 7505, 7900, 8075, 8216, 8398, 8500, 8840, 9500, 9875, 9880, 10270, 10744, 11050, 12008, 12350, 12920, 13000, 13430, 15010, 15800, 16150, 16796, 17000, 17459, 19000, 19513, 19750, 20540, 20995, 22100, 24700, 25517, 25675, 26860, 27625, 30020, 30875, 32300, 33575, 33592, 34918, 37525, 39026, 39500, 40375, 41080, 41990, 44200, 49400, 51034, 51350, 53720, 55250, 60040, 61750, 64600, 67150, 69836, 75050, 78052, 79000, 80750, 83980, 87295, 97565, 102068, 102700, 104975, 110500, 123500, 127585, 128375, 134300, 139672, 150100, 156104, 161500, 167875, 167960, 174590, 187625, 195130, 204136, 205400, 209950, 221000, 247000, 255170, 256750, 268600, 300200, 323000, 331721, 335750, 349180, 375250, 390260, 419900, 436475, 487825, 510340, 513500, 524875, 637925, 663442, 671500, 698360, 750500, 780520, 839800, 872950, 975650, 1020680, 1027000, 1049750, 1275850, 1326884, 1343000, 1501000, 1658605, 1745900, 1951300, 2099500, 2182375, 2439125, 2551700, 2653768, 3189625, 3317210, 3491800, 3902600, 4199000, 4364750, 4878250, 5103400, 6379250, 6634420, 8293025, 8729500, 9756500, 12758500, 13268840, 16586050, 17459000, 19513000, 25517000, 33172100, 41465125, 66344200, 82930250, 165860500, 331721000]

約数ペア:

[(1, 331721000), (2, 165860500), (4, 82930250), (5, 66344200), (8, 41465125), (10, 33172100), (13, 25517000), (17, 19513000), (19, 17459000), (20, 16586050), (25, 13268840), (26, 12758500), (34, 9756500), (38, 8729500), (40, 8293025), (50, 6634420), (52, 6379250), (65, 5103400), (68, 4878250), (76, 4364750), (79, 4199000), (85, 3902600), (95, 3491800), (100, 3317210), (104, 3189625), (125, 2653768), (130, 2551700), (136, 2439125), (152, 2182375), (158, 2099500), (170, 1951300), (190, 1745900), (200, 1658605), (221, 1501000), (247, 1343000), (250, 1326884), (260, 1275850), (316, 1049750), (323, 1027000), (325, 1020680), (340, 975650), (380, 872950), (395, 839800), (425, 780520), (442, 750500), (475, 698360), (494, 671500), (500, 663442), (520, 637925), (632, 524875), (646, 513500), (650, 510340), (680, 487825), (760, 436475), (790, 419900), (850, 390260), (884, 375250), (950, 349180), (988, 335750), (1000, 331721), (1027, 323000), (1105, 300200), (1235, 268600), (1292, 256750), (1300, 255170), (1343, 247000), (1501, 221000), (1580, 209950), (1615, 205400), (1625, 204136), (1700, 195130), (1768, 187625), (1900, 174590), (1975, 167960), (1976, 167875), (2054, 161500), (2125, 156104), (2210, 150100), (2375, 139672), (2470, 134300), (2584, 128375), (2600, 127585), (2686, 123500), (3002, 110500), (3160, 104975), (3230, 102700), (3250, 102068), (3400, 97565), (3800, 87295), (3950, 83980), (4108, 80750), (4199, 79000), (4250, 78052), (4420, 75050), (4750, 69836), (4940, 67150), (5135, 64600), (5372, 61750), (5525, 60040), (6004, 55250), (6175, 53720), (6460, 51350), (6500, 51034), (6715, 49400), (7505, 44200), (7900, 41990), (8075, 41080), (8216, 40375), (8398, 39500), (8500, 39026), (8840, 37525), (9500, 34918), (9875, 33592), (9880, 33575), (10270, 32300), (10744, 30875), (11050, 30020), (12008, 27625), (12350, 26860), (12920, 25675), (13000, 25517), (13430, 24700), (15010, 22100), (15800, 20995), (16150, 20540), (16796, 19750), (17000, 19513), (17459, 19000)]