91500920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2351}}^1$

素因数の和:2508

約数の個数: 64

約数和(自身を含む): 237081600

約数和(自身を除く): 145580680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 139, 140, 278, 280, 556, 695, 973, 1112, 1390, 1946, 2351, 2780, 3892, 4702, 4865, 5560, 7784, 9404, 9730, 11755, 16457, 18808, 19460, 23510, 32914, 38920, 47020, 65828, 82285, 94040, 131656, 164570, 326789, 329140, 653578, 658280, 1307156, 1633945, 2287523, 2614312, 3267890, 4575046, 6535780, 9150092, 11437615, 13071560, 18300184, 22875230, 45750460, 91500920]

約数ペア:

[(1, 91500920), (2, 45750460), (4, 22875230), (5, 18300184), (7, 13071560), (8, 11437615), (10, 9150092), (14, 6535780), (20, 4575046), (28, 3267890), (35, 2614312), (40, 2287523), (56, 1633945), (70, 1307156), (139, 658280), (140, 653578), (278, 329140), (280, 326789), (556, 164570), (695, 131656), (973, 94040), (1112, 82285), (1390, 65828), (1946, 47020), (2351, 38920), (2780, 32914), (3892, 23510), (4702, 19460), (4865, 18808), (5560, 16457), (7784, 11755), (9404, 9730)]