278300710

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{10987}}^1$

素因数の和:11160

約数の個数: 32

約数和(自身を含む): 534016800

約数和(自身を除く): 255716090

約数列:

[1, 2, 5, 10, 17, 34, 85, 149, 170, 298, 745, 1490, 2533, 5066, 10987, 12665, 21974, 25330, 54935, 109870, 186779, 373558, 933895, 1637063, 1867790, 3274126, 8185315, 16370630, 27830071, 55660142, 139150355, 278300710]

約数ペア:

[(1, 278300710), (2, 139150355), (5, 55660142), (10, 27830071), (17, 16370630), (34, 8185315), (85, 3274126), (149, 1867790), (170, 1637063), (298, 933895), (745, 373558), (1490, 186779), (2533, 109870), (5066, 54935), (10987, 25330), (12665, 21974)]