249421970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{114941}}^1$

素因数の和:114986

約数の個数: 32

約数和(自身を含む): 529652736

約数和(自身を除く): 280230766

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 114941, 229882, 574705, 804587, 1149410, 1609174, 3563171, 4022935, 7126342, 8045870, 17815855, 24942197, 35631710, 49884394, 124710985, 249421970]

約数ペア:

[(1, 249421970), (2, 124710985), (5, 49884394), (7, 35631710), (10, 24942197), (14, 17815855), (31, 8045870), (35, 7126342), (62, 4022935), (70, 3563171), (155, 1609174), (217, 1149410), (310, 804587), (434, 574705), (1085, 229882), (2170, 114941)]