90421420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1$

素因数の和:223

約数の個数: 96

約数和(自身を含む): 209018880

約数和(自身を除く): 118597460

約数列:

[1, 2, 4, 5, 10, 20, 29, 31, 47, 58, 62, 94, 107, 116, 124, 145, 155, 188, 214, 235, 290, 310, 428, 470, 535, 580, 620, 899, 940, 1070, 1363, 1457, 1798, 2140, 2726, 2914, 3103, 3317, 3596, 4495, 5029, 5452, 5828, 6206, 6634, 6815, 7285, 8990, 10058, 12412, 13268, 13630, 14570, 15515, 16585, 17980, 20116, 25145, 27260, 29140, 31030, 33170, 42253, 50290, 62060, 66340, 84506, 96193, 100580, 145841, 155899, 169012, 192386, 211265, 291682, 311798, 384772, 422530, 480965, 583364, 623596, 729205, 779495, 845060, 961930, 1458410, 1558990, 1923860, 2916820, 3117980, 4521071, 9042142, 18084284, 22605355, 45210710, 90421420]

約数ペア:

[(1, 90421420), (2, 45210710), (4, 22605355), (5, 18084284), (10, 9042142), (20, 4521071), (29, 3117980), (31, 2916820), (47, 1923860), (58, 1558990), (62, 1458410), (94, 961930), (107, 845060), (116, 779495), (124, 729205), (145, 623596), (155, 583364), (188, 480965), (214, 422530), (235, 384772), (290, 311798), (310, 291682), (428, 211265), (470, 192386), (535, 169012), (580, 155899), (620, 145841), (899, 100580), (940, 96193), (1070, 84506), (1363, 66340), (1457, 62060), (1798, 50290), (2140, 42253), (2726, 33170), (2914, 31030), (3103, 29140), (3317, 27260), (3596, 25145), (4495, 20116), (5029, 17980), (5452, 16585), (5828, 15515), (6206, 14570), (6634, 13630), (6815, 13268), (7285, 12412), (8990, 10058)]