199844450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5801}}^1$

素因数の和:5879

約数の個数: 48

約数和(自身を含む): 407927016

約数和(自身を除く): 208082566

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 53, 65, 106, 130, 265, 325, 530, 650, 689, 1325, 1378, 2650, 3445, 5801, 6890, 11602, 17225, 29005, 34450, 58010, 75413, 145025, 150826, 290050, 307453, 377065, 614906, 754130, 1537265, 1885325, 3074530, 3770650, 3996889, 7686325, 7993778, 15372650, 19984445, 39968890, 99922225, 199844450]

約数ペア:

[(1, 199844450), (2, 99922225), (5, 39968890), (10, 19984445), (13, 15372650), (25, 7993778), (26, 7686325), (50, 3996889), (53, 3770650), (65, 3074530), (106, 1885325), (130, 1537265), (265, 754130), (325, 614906), (530, 377065), (650, 307453), (689, 290050), (1325, 150826), (1378, 145025), (2650, 75413), (3445, 58010), (5801, 34450), (6890, 29005), (11602, 17225)]