129444820

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{673}}^1$

素因数の和:904

約数の個数: 48

約数和(自身を含む): 278550720

約数和(自身を除く): 149105900

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 163, 236, 295, 326, 590, 652, 673, 815, 1180, 1346, 1630, 2692, 3260, 3365, 6730, 9617, 13460, 19234, 38468, 39707, 48085, 79414, 96170, 109699, 158828, 192340, 198535, 219398, 397070, 438796, 548495, 794140, 1096990, 2193980, 6472241, 12944482, 25888964, 32361205, 64722410, 129444820]

約数ペア:

[(1, 129444820), (2, 64722410), (4, 32361205), (5, 25888964), (10, 12944482), (20, 6472241), (59, 2193980), (118, 1096990), (163, 794140), (236, 548495), (295, 438796), (326, 397070), (590, 219398), (652, 198535), (673, 192340), (815, 158828), (1180, 109699), (1346, 96170), (1630, 79414), (2692, 48085), (3260, 39707), (3365, 38468), (6730, 19234), (9617, 13460)]