251931640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331489}}^1$

素因数の和:331519

約数の個数: 32

約数和(自身を含む): 596682000

約数和(自身を除く): 344750360

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 331489, 662978, 1325956, 1657445, 2651912, 3314890, 6298291, 6629780, 12596582, 13259560, 25193164, 31491455, 50386328, 62982910, 125965820, 251931640]

約数ペア:

[(1, 251931640), (2, 125965820), (4, 62982910), (5, 50386328), (8, 31491455), (10, 25193164), (19, 13259560), (20, 12596582), (38, 6629780), (40, 6298291), (76, 3314890), (95, 2651912), (152, 1657445), (190, 1325956), (380, 662978), (760, 331489)]