157020100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{25741}}^1$

素因数の和:25816

約数の個数: 36

約数和(自身を含む): 346332868

約数和(自身を除く): 189312768

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 6100, 25741, 51482, 102964, 128705, 257410, 514820, 643525, 1287050, 1570201, 2574100, 3140402, 6280804, 7851005, 15702010, 31404020, 39255025, 78510050, 157020100]

約数ペア:

[(1, 157020100), (2, 78510050), (4, 39255025), (5, 31404020), (10, 15702010), (20, 7851005), (25, 6280804), (50, 3140402), (61, 2574100), (100, 1570201), (122, 1287050), (244, 643525), (305, 514820), (610, 257410), (1220, 128705), (1525, 102964), (3050, 51482), (6100, 25741)]