133739140

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{281}}^1\times {\mathrm{449}}^1$

素因数の和:792

約数の個数: 48

約数和(自身を含む): 287809200

約数和(自身を除く): 154070060

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 281, 449, 530, 562, 898, 1060, 1124, 1405, 1796, 2245, 2810, 4490, 5620, 8980, 14893, 23797, 29786, 47594, 59572, 74465, 95188, 118985, 126169, 148930, 237970, 252338, 297860, 475940, 504676, 630845, 1261690, 2523380, 6686957, 13373914, 26747828, 33434785, 66869570, 133739140]

約数ペア:

[(1, 133739140), (2, 66869570), (4, 33434785), (5, 26747828), (10, 13373914), (20, 6686957), (53, 2523380), (106, 1261690), (212, 630845), (265, 504676), (281, 475940), (449, 297860), (530, 252338), (562, 237970), (898, 148930), (1060, 126169), (1124, 118985), (1405, 95188), (1796, 74465), (2245, 59572), (2810, 47594), (4490, 29786), (5620, 23797), (8980, 14893)]