281116370

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{21089}}^1$

素因数の和:21170

約数の個数: 32

約数和(自身を含む): 534504960

約数和(自身を除く): 253388590

約数列:

[1, 2, 5, 10, 31, 43, 62, 86, 155, 215, 310, 430, 1333, 2666, 6665, 13330, 21089, 42178, 105445, 210890, 653759, 906827, 1307518, 1813654, 3268795, 4534135, 6537590, 9068270, 28111637, 56223274, 140558185, 281116370]

約数ペア:

[(1, 281116370), (2, 140558185), (5, 56223274), (10, 28111637), (31, 9068270), (43, 6537590), (62, 4534135), (86, 3268795), (155, 1813654), (215, 1307518), (310, 906827), (430, 653759), (1333, 210890), (2666, 105445), (6665, 42178), (13330, 21089)]