939475240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{641}}^1\times {\mathrm{3331}}^1$

素因数の和:3994

約数の個数: 64

約数和(自身を含む): 2310275520

約数和(自身を除く): 1370800280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 641, 1282, 2564, 3205, 3331, 5128, 6410, 6662, 7051, 12820, 13324, 14102, 16655, 25640, 26648, 28204, 33310, 35255, 36641, 56408, 66620, 70510, 73282, 133240, 141020, 146564, 183205, 282040, 293128, 366410, 732820, 1465640, 2135171, 4270342, 8540684, 10675855, 17081368, 21351710, 23486881, 42703420, 46973762, 85406840, 93947524, 117434405, 187895048, 234868810, 469737620, 939475240]

約数ペア:

[(1, 939475240), (2, 469737620), (4, 234868810), (5, 187895048), (8, 117434405), (10, 93947524), (11, 85406840), (20, 46973762), (22, 42703420), (40, 23486881), (44, 21351710), (55, 17081368), (88, 10675855), (110, 8540684), (220, 4270342), (440, 2135171), (641, 1465640), (1282, 732820), (2564, 366410), (3205, 293128), (3331, 282040), (5128, 183205), (6410, 146564), (6662, 141020), (7051, 133240), (12820, 73282), (13324, 70510), (14102, 66620), (16655, 56408), (25640, 36641), (26648, 35255), (28204, 33310)]