156764020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{2141}}^1$

素因数の和:2680

約数の個数: 48

約数和(自身を含む): 377129088

約数和(自身を除く): 220365068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 523, 1046, 2092, 2141, 2615, 3661, 4282, 5230, 7322, 8564, 10460, 10705, 14644, 14987, 18305, 21410, 29974, 36610, 42820, 59948, 73220, 74935, 149870, 299740, 1119743, 2239486, 4478972, 5598715, 7838201, 11197430, 15676402, 22394860, 31352804, 39191005, 78382010, 156764020]

約数ペア:

[(1, 156764020), (2, 78382010), (4, 39191005), (5, 31352804), (7, 22394860), (10, 15676402), (14, 11197430), (20, 7838201), (28, 5598715), (35, 4478972), (70, 2239486), (140, 1119743), (523, 299740), (1046, 149870), (2092, 74935), (2141, 73220), (2615, 59948), (3661, 42820), (4282, 36610), (5230, 29974), (7322, 21410), (8564, 18305), (10460, 14987), (10705, 14644)]