987516400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{11171}}^1$

素因数の和:11219

約数の個数: 120

約数和(自身を含む): 2705545584

約数和(自身を除く): 1718029184

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 80, 85, 100, 104, 130, 136, 170, 200, 208, 221, 260, 272, 325, 340, 400, 425, 442, 520, 650, 680, 850, 884, 1040, 1105, 1300, 1360, 1700, 1768, 2210, 2600, 3400, 3536, 4420, 5200, 5525, 6800, 8840, 11050, 11171, 17680, 22100, 22342, 44200, 44684, 55855, 88400, 89368, 111710, 145223, 178736, 189907, 223420, 279275, 290446, 379814, 446840, 558550, 580892, 726115, 759628, 893680, 949535, 1117100, 1161784, 1452230, 1519256, 1899070, 2234200, 2323568, 2468791, 2904460, 3038512, 3630575, 3798140, 4468400, 4747675, 4937582, 5808920, 7261150, 7596280, 9495350, 9875164, 11617840, 12343955, 14522300, 15192560, 18990700, 19750328, 24687910, 29044600, 37981400, 39500656, 49375820, 58089200, 61719775, 75962800, 98751640, 123439550, 197503280, 246879100, 493758200, 987516400]

約数ペア:

[(1, 987516400), (2, 493758200), (4, 246879100), (5, 197503280), (8, 123439550), (10, 98751640), (13, 75962800), (16, 61719775), (17, 58089200), (20, 49375820), (25, 39500656), (26, 37981400), (34, 29044600), (40, 24687910), (50, 19750328), (52, 18990700), (65, 15192560), (68, 14522300), (80, 12343955), (85, 11617840), (100, 9875164), (104, 9495350), (130, 7596280), (136, 7261150), (170, 5808920), (200, 4937582), (208, 4747675), (221, 4468400), (260, 3798140), (272, 3630575), (325, 3038512), (340, 2904460), (400, 2468791), (425, 2323568), (442, 2234200), (520, 1899070), (650, 1519256), (680, 1452230), (850, 1161784), (884, 1117100), (1040, 949535), (1105, 893680), (1300, 759628), (1360, 726115), (1700, 580892), (1768, 558550), (2210, 446840), (2600, 379814), (3400, 290446), (3536, 279275), (4420, 223420), (5200, 189907), (5525, 178736), (6800, 145223), (8840, 111710), (11050, 89368), (11171, 88400), (17680, 55855), (22100, 44684), (22342, 44200)]