83781100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{223}}^1$

素因数の和:284

約数の個数: 108

約数和(自身を含む): 208917184

約数和(自身を除く): 125136084

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 223, 260, 289, 325, 340, 425, 442, 446, 578, 650, 850, 884, 892, 1105, 1115, 1156, 1300, 1445, 1700, 2210, 2230, 2890, 2899, 3757, 3791, 4420, 4460, 5525, 5575, 5780, 5798, 7225, 7514, 7582, 11050, 11150, 11596, 14450, 14495, 15028, 15164, 18785, 18955, 22100, 22300, 28900, 28990, 37570, 37910, 49283, 57980, 64447, 72475, 75140, 75820, 93925, 94775, 98566, 128894, 144950, 187850, 189550, 197132, 246415, 257788, 289900, 322235, 375700, 379100, 492830, 644470, 837811, 985660, 1232075, 1288940, 1611175, 1675622, 2464150, 3222350, 3351244, 4189055, 4928300, 6444700, 8378110, 16756220, 20945275, 41890550, 83781100]

約数ペア:

[(1, 83781100), (2, 41890550), (4, 20945275), (5, 16756220), (10, 8378110), (13, 6444700), (17, 4928300), (20, 4189055), (25, 3351244), (26, 3222350), (34, 2464150), (50, 1675622), (52, 1611175), (65, 1288940), (68, 1232075), (85, 985660), (100, 837811), (130, 644470), (170, 492830), (221, 379100), (223, 375700), (260, 322235), (289, 289900), (325, 257788), (340, 246415), (425, 197132), (442, 189550), (446, 187850), (578, 144950), (650, 128894), (850, 98566), (884, 94775), (892, 93925), (1105, 75820), (1115, 75140), (1156, 72475), (1300, 64447), (1445, 57980), (1700, 49283), (2210, 37910), (2230, 37570), (2890, 28990), (2899, 28900), (3757, 22300), (3791, 22100), (4420, 18955), (4460, 18785), (5525, 15164), (5575, 15028), (5780, 14495), (5798, 14450), (7225, 11596), (7514, 11150), (7582, 11050)]