208527080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{797}}^1$

素因数の和:1050

約数の個数: 64

約数和(自身を含む): 487226880

約数和(自身を除く): 278699800

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 211, 248, 310, 422, 620, 797, 844, 1055, 1240, 1594, 1688, 2110, 3188, 3985, 4220, 6376, 6541, 7970, 8440, 13082, 15940, 24707, 26164, 31880, 32705, 49414, 52328, 65410, 98828, 123535, 130820, 168167, 197656, 247070, 261640, 336334, 494140, 672668, 840835, 988280, 1345336, 1681670, 3363340, 5213177, 6726680, 10426354, 20852708, 26065885, 41705416, 52131770, 104263540, 208527080]

約数ペア:

[(1, 208527080), (2, 104263540), (4, 52131770), (5, 41705416), (8, 26065885), (10, 20852708), (20, 10426354), (31, 6726680), (40, 5213177), (62, 3363340), (124, 1681670), (155, 1345336), (211, 988280), (248, 840835), (310, 672668), (422, 494140), (620, 336334), (797, 261640), (844, 247070), (1055, 197656), (1240, 168167), (1594, 130820), (1688, 123535), (2110, 98828), (3188, 65410), (3985, 52328), (4220, 49414), (6376, 32705), (6541, 31880), (7970, 26164), (8440, 24707), (13082, 15940)]