90300920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{907}}^1$

素因数の和:1068

約数の個数: 64

約数和(自身を含む): 215740800

約数和(自身を除く): 125439880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 131, 152, 190, 262, 380, 524, 655, 760, 907, 1048, 1310, 1814, 2489, 2620, 3628, 4535, 4978, 5240, 7256, 9070, 9956, 12445, 17233, 18140, 19912, 24890, 34466, 36280, 49780, 68932, 86165, 99560, 118817, 137864, 172330, 237634, 344660, 475268, 594085, 689320, 950536, 1188170, 2257523, 2376340, 4515046, 4752680, 9030092, 11287615, 18060184, 22575230, 45150460, 90300920]

約数ペア:

[(1, 90300920), (2, 45150460), (4, 22575230), (5, 18060184), (8, 11287615), (10, 9030092), (19, 4752680), (20, 4515046), (38, 2376340), (40, 2257523), (76, 1188170), (95, 950536), (131, 689320), (152, 594085), (190, 475268), (262, 344660), (380, 237634), (524, 172330), (655, 137864), (760, 118817), (907, 99560), (1048, 86165), (1310, 68932), (1814, 49780), (2489, 36280), (2620, 34466), (3628, 24890), (4535, 19912), (4978, 18140), (5240, 17233), (7256, 12445), (9070, 9956)]