155890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1$

素因数の和:162

約数の個数: 32

約数和(自身を含む): 342144

約数和(自身を除く): 186254

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 131, 170, 238, 262, 595, 655, 917, 1190, 1310, 1834, 2227, 4454, 4585, 9170, 11135, 15589, 22270, 31178, 77945, 155890]

約数ペア:

[(1, 155890), (2, 77945), (5, 31178), (7, 22270), (10, 15589), (14, 11135), (17, 9170), (34, 4585), (35, 4454), (70, 2227), (85, 1834), (119, 1310), (131, 1190), (170, 917), (238, 655), (262, 595)]