98983880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{1423}}^1$

素因数の和:1518

約数の個数: 64

約数和(自身を含む): 233763840

約数和(自身を除く): 134779960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 47, 74, 94, 148, 185, 188, 235, 296, 370, 376, 470, 740, 940, 1423, 1480, 1739, 1880, 2846, 3478, 5692, 6956, 7115, 8695, 11384, 13912, 14230, 17390, 28460, 34780, 52651, 56920, 66881, 69560, 105302, 133762, 210604, 263255, 267524, 334405, 421208, 526510, 535048, 668810, 1053020, 1337620, 2106040, 2474597, 2675240, 4949194, 9898388, 12372985, 19796776, 24745970, 49491940, 98983880]

約数ペア:

[(1, 98983880), (2, 49491940), (4, 24745970), (5, 19796776), (8, 12372985), (10, 9898388), (20, 4949194), (37, 2675240), (40, 2474597), (47, 2106040), (74, 1337620), (94, 1053020), (148, 668810), (185, 535048), (188, 526510), (235, 421208), (296, 334405), (370, 267524), (376, 263255), (470, 210604), (740, 133762), (940, 105302), (1423, 69560), (1480, 66881), (1739, 56920), (1880, 52651), (2846, 34780), (3478, 28460), (5692, 17390), (6956, 14230), (7115, 13912), (8695, 11384)]