99891920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{857}}^1$

素因数の和:948

約数の個数: 80

約数和(自身を含む): 245127168

約数和(自身を除く): 145235248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 47, 62, 80, 94, 124, 155, 188, 235, 248, 310, 376, 470, 496, 620, 752, 857, 940, 1240, 1457, 1714, 1880, 2480, 2914, 3428, 3760, 4285, 5828, 6856, 7285, 8570, 11656, 13712, 14570, 17140, 23312, 26567, 29140, 34280, 40279, 53134, 58280, 68560, 80558, 106268, 116560, 132835, 161116, 201395, 212536, 265670, 322232, 402790, 425072, 531340, 644464, 805580, 1062680, 1248649, 1611160, 2125360, 2497298, 3222320, 4994596, 6243245, 9989192, 12486490, 19978384, 24972980, 49945960, 99891920]

約数ペア:

[(1, 99891920), (2, 49945960), (4, 24972980), (5, 19978384), (8, 12486490), (10, 9989192), (16, 6243245), (20, 4994596), (31, 3222320), (40, 2497298), (47, 2125360), (62, 1611160), (80, 1248649), (94, 1062680), (124, 805580), (155, 644464), (188, 531340), (235, 425072), (248, 402790), (310, 322232), (376, 265670), (470, 212536), (496, 201395), (620, 161116), (752, 132835), (857, 116560), (940, 106268), (1240, 80558), (1457, 68560), (1714, 58280), (1880, 53134), (2480, 40279), (2914, 34280), (3428, 29140), (3760, 26567), (4285, 23312), (5828, 17140), (6856, 14570), (7285, 13712), (8570, 11656)]