749271640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{271}}^1\times {\mathrm{409}}^1$

素因数の和:717

約数の個数: 96

約数和(自身を含む): 1836734400

約数和(自身を除く): 1087462760

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 169, 260, 271, 338, 409, 520, 542, 676, 818, 845, 1084, 1352, 1355, 1636, 1690, 2045, 2168, 2710, 3272, 3380, 3523, 4090, 5317, 5420, 6760, 7046, 8180, 10634, 10840, 14092, 16360, 17615, 21268, 26585, 28184, 35230, 42536, 45799, 53170, 69121, 70460, 91598, 106340, 110839, 138242, 140920, 183196, 212680, 221678, 228995, 276484, 345605, 366392, 443356, 457990, 552968, 554195, 691210, 886712, 915980, 1108390, 1382420, 1440907, 1831960, 2216780, 2764840, 2881814, 4433560, 5763628, 7204535, 11527256, 14409070, 18731791, 28818140, 37463582, 57636280, 74927164, 93658955, 149854328, 187317910, 374635820, 749271640]

約数ペア:

[(1, 749271640), (2, 374635820), (4, 187317910), (5, 149854328), (8, 93658955), (10, 74927164), (13, 57636280), (20, 37463582), (26, 28818140), (40, 18731791), (52, 14409070), (65, 11527256), (104, 7204535), (130, 5763628), (169, 4433560), (260, 2881814), (271, 2764840), (338, 2216780), (409, 1831960), (520, 1440907), (542, 1382420), (676, 1108390), (818, 915980), (845, 886712), (1084, 691210), (1352, 554195), (1355, 552968), (1636, 457990), (1690, 443356), (2045, 366392), (2168, 345605), (2710, 276484), (3272, 228995), (3380, 221678), (3523, 212680), (4090, 183196), (5317, 140920), (5420, 138242), (6760, 110839), (7046, 106340), (8180, 91598), (10634, 70460), (10840, 69121), (14092, 53170), (16360, 45799), (17615, 42536), (21268, 35230), (26585, 28184)]