390260000

素因数分解:

$2^5\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 240

約数和(自身を含む): 1102147200

約数和(自身を除く): 711887200

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 25, 26, 32, 38, 40, 50, 52, 65, 76, 79, 80, 95, 100, 104, 125, 130, 152, 158, 160, 190, 200, 208, 247, 250, 260, 304, 316, 325, 380, 395, 400, 416, 475, 494, 500, 520, 608, 625, 632, 650, 760, 790, 800, 950, 988, 1000, 1027, 1040, 1235, 1250, 1264, 1300, 1501, 1520, 1580, 1625, 1900, 1975, 1976, 2000, 2054, 2080, 2375, 2470, 2500, 2528, 2600, 3002, 3040, 3160, 3250, 3800, 3950, 3952, 4000, 4108, 4750, 4940, 5000, 5135, 5200, 6004, 6175, 6320, 6500, 7505, 7600, 7900, 7904, 8125, 8216, 9500, 9875, 9880, 10000, 10270, 10400, 11875, 12008, 12350, 12640, 13000, 15010, 15200, 15800, 16250, 16432, 19000, 19513, 19750, 19760, 20000, 20540, 23750, 24016, 24700, 25675, 26000, 30020, 30875, 31600, 32500, 32864, 37525, 38000, 39026, 39500, 39520, 41080, 47500, 48032, 49375, 49400, 51350, 52000, 60040, 61750, 63200, 65000, 75050, 76000, 78052, 79000, 82160, 95000, 97565, 98750, 98800, 102700, 120080, 123500, 128375, 130000, 150100, 154375, 156104, 158000, 164320, 187625, 190000, 195130, 197500, 197600, 205400, 240160, 247000, 256750, 260000, 300200, 308750, 312208, 316000, 375250, 380000, 390260, 395000, 410800, 487825, 494000, 513500, 600400, 617500, 624416, 641875, 750500, 780520, 790000, 821600, 938125, 975650, 988000, 1027000, 1200800, 1235000, 1283750, 1501000, 1561040, 1580000, 1876250, 1951300, 2054000, 2439125, 2470000, 2567500, 3002000, 3122080, 3752500, 3902600, 4108000, 4878250, 4940000, 5135000, 6004000, 7505000, 7805200, 9756500, 10270000, 12195625, 15010000, 15610400, 19513000, 20540000, 24391250, 30020000, 39026000, 48782500, 78052000, 97565000, 195130000, 390260000]

約数ペア:

[(1, 390260000), (2, 195130000), (4, 97565000), (5, 78052000), (8, 48782500), (10, 39026000), (13, 30020000), (16, 24391250), (19, 20540000), (20, 19513000), (25, 15610400), (26, 15010000), (32, 12195625), (38, 10270000), (40, 9756500), (50, 7805200), (52, 7505000), (65, 6004000), (76, 5135000), (79, 4940000), (80, 4878250), (95, 4108000), (100, 3902600), (104, 3752500), (125, 3122080), (130, 3002000), (152, 2567500), (158, 2470000), (160, 2439125), (190, 2054000), (200, 1951300), (208, 1876250), (247, 1580000), (250, 1561040), (260, 1501000), (304, 1283750), (316, 1235000), (325, 1200800), (380, 1027000), (395, 988000), (400, 975650), (416, 938125), (475, 821600), (494, 790000), (500, 780520), (520, 750500), (608, 641875), (625, 624416), (632, 617500), (650, 600400), (760, 513500), (790, 494000), (800, 487825), (950, 410800), (988, 395000), (1000, 390260), (1027, 380000), (1040, 375250), (1235, 316000), (1250, 312208), (1264, 308750), (1300, 300200), (1501, 260000), (1520, 256750), (1580, 247000), (1625, 240160), (1900, 205400), (1975, 197600), (1976, 197500), (2000, 195130), (2054, 190000), (2080, 187625), (2375, 164320), (2470, 158000), (2500, 156104), (2528, 154375), (2600, 150100), (3002, 130000), (3040, 128375), (3160, 123500), (3250, 120080), (3800, 102700), (3950, 98800), (3952, 98750), (4000, 97565), (4108, 95000), (4750, 82160), (4940, 79000), (5000, 78052), (5135, 76000), (5200, 75050), (6004, 65000), (6175, 63200), (6320, 61750), (6500, 60040), (7505, 52000), (7600, 51350), (7900, 49400), (7904, 49375), (8125, 48032), (8216, 47500), (9500, 41080), (9875, 39520), (9880, 39500), (10000, 39026), (10270, 38000), (10400, 37525), (11875, 32864), (12008, 32500), (12350, 31600), (12640, 30875), (13000, 30020), (15010, 26000), (15200, 25675), (15800, 24700), (16250, 24016), (16432, 23750), (19000, 20540), (19513, 20000), (19750, 19760)]