221617240

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{6361}}^1$

素因数の和:6452

約数の個数: 64

約数和(自身を含む): 545096160

約数和(自身を除く): 323478920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 67, 104, 130, 134, 260, 268, 335, 520, 536, 670, 871, 1340, 1742, 2680, 3484, 4355, 6361, 6968, 8710, 12722, 17420, 25444, 31805, 34840, 50888, 63610, 82693, 127220, 165386, 254440, 330772, 413465, 426187, 661544, 826930, 852374, 1653860, 1704748, 2130935, 3307720, 3409496, 4261870, 5540431, 8523740, 11080862, 17047480, 22161724, 27702155, 44323448, 55404310, 110808620, 221617240]

約数ペア:

[(1, 221617240), (2, 110808620), (4, 55404310), (5, 44323448), (8, 27702155), (10, 22161724), (13, 17047480), (20, 11080862), (26, 8523740), (40, 5540431), (52, 4261870), (65, 3409496), (67, 3307720), (104, 2130935), (130, 1704748), (134, 1653860), (260, 852374), (268, 826930), (335, 661544), (520, 426187), (536, 413465), (670, 330772), (871, 254440), (1340, 165386), (1742, 127220), (2680, 82693), (3484, 63610), (4355, 50888), (6361, 34840), (6968, 31805), (8710, 25444), (12722, 17420)]