137806420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{101}}^1\times {\mathrm{4013}}^1$

素因数の和:4140

約数の個数: 48

約数和(自身を含む): 309527568

約数和(自身を除く): 171721148

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 101, 170, 202, 340, 404, 505, 1010, 1717, 2020, 3434, 4013, 6868, 8026, 8585, 16052, 17170, 20065, 34340, 40130, 68221, 80260, 136442, 272884, 341105, 405313, 682210, 810626, 1364420, 1621252, 2026565, 4053130, 6890321, 8106260, 13780642, 27561284, 34451605, 68903210, 137806420]

約数ペア:

[(1, 137806420), (2, 68903210), (4, 34451605), (5, 27561284), (10, 13780642), (17, 8106260), (20, 6890321), (34, 4053130), (68, 2026565), (85, 1621252), (101, 1364420), (170, 810626), (202, 682210), (340, 405313), (404, 341105), (505, 272884), (1010, 136442), (1717, 80260), (2020, 68221), (3434, 40130), (4013, 34340), (6868, 20065), (8026, 17170), (8585, 16052)]