538780000

素因数分解:

$2^5\times 5^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:151

約数の個数: 240

約数和(自身を含む): 1511516160

約数和(自身を除く): 972736160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 31, 32, 40, 44, 50, 55, 62, 79, 80, 88, 100, 110, 124, 125, 155, 158, 160, 176, 200, 220, 248, 250, 275, 310, 316, 341, 352, 395, 400, 440, 496, 500, 550, 620, 625, 632, 682, 775, 790, 800, 869, 880, 992, 1000, 1100, 1240, 1250, 1264, 1364, 1375, 1550, 1580, 1705, 1738, 1760, 1975, 2000, 2200, 2449, 2480, 2500, 2528, 2728, 2750, 3100, 3160, 3410, 3476, 3875, 3950, 4000, 4345, 4400, 4898, 4960, 5000, 5456, 5500, 6200, 6320, 6820, 6875, 6952, 7750, 7900, 8525, 8690, 8800, 9796, 9875, 10000, 10912, 11000, 12245, 12400, 12640, 13640, 13750, 13904, 15500, 15800, 17050, 17380, 19375, 19592, 19750, 20000, 21725, 22000, 24490, 24800, 26939, 27280, 27500, 27808, 31000, 31600, 34100, 34760, 38750, 39184, 39500, 42625, 43450, 44000, 48980, 49375, 53878, 54560, 55000, 61225, 62000, 63200, 68200, 69520, 77500, 78368, 79000, 85250, 86900, 97960, 98750, 107756, 108625, 110000, 122450, 124000, 134695, 136400, 139040, 155000, 158000, 170500, 173800, 195920, 197500, 213125, 215512, 217250, 220000, 244900, 269390, 272800, 306125, 310000, 316000, 341000, 347600, 391840, 395000, 426250, 431024, 434500, 489800, 538780, 543125, 612250, 620000, 673475, 682000, 695200, 790000, 852500, 862048, 869000, 979600, 1077560, 1086250, 1224500, 1346950, 1364000, 1530625, 1580000, 1705000, 1738000, 1959200, 2155120, 2172500, 2449000, 2693900, 3061250, 3367375, 3410000, 3476000, 4310240, 4345000, 4898000, 5387800, 6122500, 6734750, 6820000, 8690000, 9796000, 10775600, 12245000, 13469500, 16836875, 17380000, 21551200, 24490000, 26939000, 33673750, 48980000, 53878000, 67347500, 107756000, 134695000, 269390000, 538780000]

約数ペア:

[(1, 538780000), (2, 269390000), (4, 134695000), (5, 107756000), (8, 67347500), (10, 53878000), (11, 48980000), (16, 33673750), (20, 26939000), (22, 24490000), (25, 21551200), (31, 17380000), (32, 16836875), (40, 13469500), (44, 12245000), (50, 10775600), (55, 9796000), (62, 8690000), (79, 6820000), (80, 6734750), (88, 6122500), (100, 5387800), (110, 4898000), (124, 4345000), (125, 4310240), (155, 3476000), (158, 3410000), (160, 3367375), (176, 3061250), (200, 2693900), (220, 2449000), (248, 2172500), (250, 2155120), (275, 1959200), (310, 1738000), (316, 1705000), (341, 1580000), (352, 1530625), (395, 1364000), (400, 1346950), (440, 1224500), (496, 1086250), (500, 1077560), (550, 979600), (620, 869000), (625, 862048), (632, 852500), (682, 790000), (775, 695200), (790, 682000), (800, 673475), (869, 620000), (880, 612250), (992, 543125), (1000, 538780), (1100, 489800), (1240, 434500), (1250, 431024), (1264, 426250), (1364, 395000), (1375, 391840), (1550, 347600), (1580, 341000), (1705, 316000), (1738, 310000), (1760, 306125), (1975, 272800), (2000, 269390), (2200, 244900), (2449, 220000), (2480, 217250), (2500, 215512), (2528, 213125), (2728, 197500), (2750, 195920), (3100, 173800), (3160, 170500), (3410, 158000), (3476, 155000), (3875, 139040), (3950, 136400), (4000, 134695), (4345, 124000), (4400, 122450), (4898, 110000), (4960, 108625), (5000, 107756), (5456, 98750), (5500, 97960), (6200, 86900), (6320, 85250), (6820, 79000), (6875, 78368), (6952, 77500), (7750, 69520), (7900, 68200), (8525, 63200), (8690, 62000), (8800, 61225), (9796, 55000), (9875, 54560), (10000, 53878), (10912, 49375), (11000, 48980), (12245, 44000), (12400, 43450), (12640, 42625), (13640, 39500), (13750, 39184), (13904, 38750), (15500, 34760), (15800, 34100), (17050, 31600), (17380, 31000), (19375, 27808), (19592, 27500), (19750, 27280), (20000, 26939), (21725, 24800), (22000, 24490)]