131380970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{257}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 277896960

約数和(自身を除く): 146515990

約数列:

[1, 2, 5, 7, 10, 14, 35, 67, 70, 109, 134, 218, 257, 335, 469, 514, 545, 670, 763, 938, 1090, 1285, 1526, 1799, 2345, 2570, 3598, 3815, 4690, 7303, 7630, 8995, 14606, 17219, 17990, 28013, 34438, 36515, 51121, 56026, 73030, 86095, 102242, 120533, 140065, 172190, 196091, 241066, 255605, 280130, 392182, 511210, 602665, 980455, 1205330, 1876871, 1960910, 3753742, 9384355, 13138097, 18768710, 26276194, 65690485, 131380970]

約数ペア:

[(1, 131380970), (2, 65690485), (5, 26276194), (7, 18768710), (10, 13138097), (14, 9384355), (35, 3753742), (67, 1960910), (70, 1876871), (109, 1205330), (134, 980455), (218, 602665), (257, 511210), (335, 392182), (469, 280130), (514, 255605), (545, 241066), (670, 196091), (763, 172190), (938, 140065), (1090, 120533), (1285, 102242), (1526, 86095), (1799, 73030), (2345, 56026), (2570, 51121), (3598, 36515), (3815, 34438), (4690, 28013), (7303, 17990), (7630, 17219), (8995, 14606)]