1689740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1$

素因数の和:186

約数の個数: 48

約数和(自身を含む): 3918432

約数和(自身を除く): 2228692

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 67, 97, 130, 134, 194, 260, 268, 335, 388, 485, 670, 871, 970, 1261, 1340, 1742, 1940, 2522, 3484, 4355, 5044, 6305, 6499, 8710, 12610, 12998, 17420, 25220, 25996, 32495, 64990, 84487, 129980, 168974, 337948, 422435, 844870, 1689740]

約数ペア:

[(1, 1689740), (2, 844870), (4, 422435), (5, 337948), (10, 168974), (13, 129980), (20, 84487), (26, 64990), (52, 32495), (65, 25996), (67, 25220), (97, 17420), (130, 12998), (134, 12610), (194, 8710), (260, 6499), (268, 6305), (335, 5044), (388, 4355), (485, 3484), (670, 2522), (871, 1940), (970, 1742), (1261, 1340)]