149356840

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{44987}}^1$

素因数の和:45081

約数の個数: 32

約数和(自身を含む): 340109280

約数和(自身を除く): 190752440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 44987, 89974, 179948, 224935, 359896, 449870, 899740, 1799480, 3733921, 7467842, 14935684, 18669605, 29871368, 37339210, 74678420, 149356840]

約数ペア:

[(1, 149356840), (2, 74678420), (4, 37339210), (5, 29871368), (8, 18669605), (10, 14935684), (20, 7467842), (40, 3733921), (83, 1799480), (166, 899740), (332, 449870), (415, 359896), (664, 224935), (830, 179948), (1660, 89974), (3320, 44987)]