9397940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:368

約数の個数: 48

約数和(自身を含む): 21155904

約数和(自身を除く): 11757964

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 131, 170, 211, 262, 340, 422, 524, 655, 844, 1055, 1310, 2110, 2227, 2620, 3587, 4220, 4454, 7174, 8908, 11135, 14348, 17935, 22270, 27641, 35870, 44540, 55282, 71740, 110564, 138205, 276410, 469897, 552820, 939794, 1879588, 2349485, 4698970, 9397940]

約数ペア:

[(1, 9397940), (2, 4698970), (4, 2349485), (5, 1879588), (10, 939794), (17, 552820), (20, 469897), (34, 276410), (68, 138205), (85, 110564), (131, 71740), (170, 55282), (211, 44540), (262, 35870), (340, 27641), (422, 22270), (524, 17935), (655, 14348), (844, 11135), (1055, 8908), (1310, 7174), (2110, 4454), (2227, 4220), (2620, 3587)]