79181380

素因数分解:

$2^2\times 5^1\times {\mathrm{151}}^1\times {\mathrm{157}}^1\times {\mathrm{167}}^1$

素因数の和:484

約数の個数: 48

約数和(自身を含む): 169456896

約数和(自身を除く): 90275516

約数列:

[1, 2, 4, 5, 10, 20, 151, 157, 167, 302, 314, 334, 604, 628, 668, 755, 785, 835, 1510, 1570, 1670, 3020, 3140, 3340, 23707, 25217, 26219, 47414, 50434, 52438, 94828, 100868, 104876, 118535, 126085, 131095, 237070, 252170, 262190, 474140, 504340, 524380, 3959069, 7918138, 15836276, 19795345, 39590690, 79181380]

約数ペア:

[(1, 79181380), (2, 39590690), (4, 19795345), (5, 15836276), (10, 7918138), (20, 3959069), (151, 524380), (157, 504340), (167, 474140), (302, 262190), (314, 252170), (334, 237070), (604, 131095), (628, 126085), (668, 118535), (755, 104876), (785, 100868), (835, 94828), (1510, 52438), (1570, 50434), (1670, 47414), (3020, 26219), (3140, 25217), (3340, 23707)]