291211700

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13177}}^1$

素因数の和:13221

約数の個数: 72

約数和(自身を含む): 720625752

約数和(自身を除く): 429414052

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 25, 26, 34, 50, 52, 65, 68, 85, 100, 130, 170, 221, 260, 325, 340, 425, 442, 650, 850, 884, 1105, 1300, 1700, 2210, 4420, 5525, 11050, 13177, 22100, 26354, 52708, 65885, 131770, 171301, 224009, 263540, 329425, 342602, 448018, 658850, 685204, 856505, 896036, 1120045, 1317700, 1713010, 2240090, 2912117, 3426020, 4282525, 4480180, 5600225, 5824234, 8565050, 11200450, 11648468, 14560585, 17130100, 22400900, 29121170, 58242340, 72802925, 145605850, 291211700]

約数ペア:

[(1, 291211700), (2, 145605850), (4, 72802925), (5, 58242340), (10, 29121170), (13, 22400900), (17, 17130100), (20, 14560585), (25, 11648468), (26, 11200450), (34, 8565050), (50, 5824234), (52, 5600225), (65, 4480180), (68, 4282525), (85, 3426020), (100, 2912117), (130, 2240090), (170, 1713010), (221, 1317700), (260, 1120045), (325, 896036), (340, 856505), (425, 685204), (442, 658850), (650, 448018), (850, 342602), (884, 329425), (1105, 263540), (1300, 224009), (1700, 171301), (2210, 131770), (4420, 65885), (5525, 52708), (11050, 26354), (13177, 22100)]