29351980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{491}}^1$

素因数の和:575

約数の個数: 72

約数和(自身を含む): 73026576

約数和(自身を除く): 43674596

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 196, 244, 245, 305, 427, 490, 491, 610, 854, 980, 982, 1220, 1708, 1964, 2135, 2455, 2989, 3437, 4270, 4910, 5978, 6874, 8540, 9820, 11956, 13748, 14945, 17185, 24059, 29890, 29951, 34370, 48118, 59780, 59902, 68740, 96236, 119804, 120295, 149755, 209657, 240590, 299510, 419314, 481180, 599020, 838628, 1048285, 1467599, 2096570, 2935198, 4193140, 5870396, 7337995, 14675990, 29351980]

約数ペア:

[(1, 29351980), (2, 14675990), (4, 7337995), (5, 5870396), (7, 4193140), (10, 2935198), (14, 2096570), (20, 1467599), (28, 1048285), (35, 838628), (49, 599020), (61, 481180), (70, 419314), (98, 299510), (122, 240590), (140, 209657), (196, 149755), (244, 120295), (245, 119804), (305, 96236), (427, 68740), (490, 59902), (491, 59780), (610, 48118), (854, 34370), (980, 29951), (982, 29890), (1220, 24059), (1708, 17185), (1964, 14945), (2135, 13748), (2455, 11956), (2989, 9820), (3437, 8540), (4270, 6874), (4910, 5978)]