68999600

素因数分解:

$2^4\times 5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{139}}^1$

素因数の和:247

約数の個数: 120

約数和(自身を含む): 179207280

約数和(自身を除く): 110207680

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 34, 40, 50, 68, 73, 80, 85, 100, 136, 139, 146, 170, 200, 272, 278, 292, 340, 365, 400, 425, 556, 584, 680, 695, 730, 850, 1112, 1168, 1241, 1360, 1390, 1460, 1700, 1825, 2224, 2363, 2482, 2780, 2920, 3400, 3475, 3650, 4726, 4964, 5560, 5840, 6205, 6800, 6950, 7300, 9452, 9928, 10147, 11120, 11815, 12410, 13900, 14600, 18904, 19856, 20294, 23630, 24820, 27800, 29200, 31025, 37808, 40588, 47260, 49640, 50735, 55600, 59075, 62050, 81176, 94520, 99280, 101470, 118150, 124100, 162352, 172499, 189040, 202940, 236300, 248200, 253675, 344998, 405880, 472600, 496400, 507350, 689996, 811760, 862495, 945200, 1014700, 1379992, 1724990, 2029400, 2759984, 3449980, 4058800, 4312475, 6899960, 8624950, 13799920, 17249900, 34499800, 68999600]

約数ペア:

[(1, 68999600), (2, 34499800), (4, 17249900), (5, 13799920), (8, 8624950), (10, 6899960), (16, 4312475), (17, 4058800), (20, 3449980), (25, 2759984), (34, 2029400), (40, 1724990), (50, 1379992), (68, 1014700), (73, 945200), (80, 862495), (85, 811760), (100, 689996), (136, 507350), (139, 496400), (146, 472600), (170, 405880), (200, 344998), (272, 253675), (278, 248200), (292, 236300), (340, 202940), (365, 189040), (400, 172499), (425, 162352), (556, 124100), (584, 118150), (680, 101470), (695, 99280), (730, 94520), (850, 81176), (1112, 62050), (1168, 59075), (1241, 55600), (1360, 50735), (1390, 49640), (1460, 47260), (1700, 40588), (1825, 37808), (2224, 31025), (2363, 29200), (2482, 27800), (2780, 24820), (2920, 23630), (3400, 20294), (3475, 19856), (3650, 18904), (4726, 14600), (4964, 13900), (5560, 12410), (5840, 11815), (6205, 11120), (6800, 10147), (6950, 9928), (7300, 9452)]