78330100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{12841}}^1$

素因数の和:12916

約数の個数: 36

約数和(自身を含む): 172776268

約数和(自身を除く): 94446168

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 3050, 6100, 12841, 25682, 51364, 64205, 128410, 256820, 321025, 642050, 783301, 1284100, 1566602, 3133204, 3916505, 7833010, 15666020, 19582525, 39165050, 78330100]

約数ペア:

[(1, 78330100), (2, 39165050), (4, 19582525), (5, 15666020), (10, 7833010), (20, 3916505), (25, 3133204), (50, 1566602), (61, 1284100), (100, 783301), (122, 642050), (244, 321025), (305, 256820), (610, 128410), (1220, 64205), (1525, 51364), (3050, 25682), (6100, 12841)]