222028820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:242

約数の個数: 96

約数和(自身を含む): 524590080

約数和(自身を除く): 302561260

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 163, 169, 260, 310, 326, 338, 403, 620, 652, 676, 806, 815, 845, 1612, 1630, 1690, 2015, 2119, 2197, 3260, 3380, 4030, 4238, 4394, 5053, 5239, 8060, 8476, 8788, 10106, 10478, 10595, 10985, 20212, 20956, 21190, 21970, 25265, 26195, 27547, 42380, 43940, 50530, 52390, 55094, 65689, 68107, 101060, 104780, 110188, 131378, 136214, 137735, 262756, 272428, 275470, 328445, 340535, 358111, 550940, 656890, 681070, 716222, 853957, 1313780, 1362140, 1432444, 1707914, 1790555, 3415828, 3581110, 4269785, 7162220, 8539570, 11101441, 17079140, 22202882, 44405764, 55507205, 111014410, 222028820]

約数ペア:

[(1, 222028820), (2, 111014410), (4, 55507205), (5, 44405764), (10, 22202882), (13, 17079140), (20, 11101441), (26, 8539570), (31, 7162220), (52, 4269785), (62, 3581110), (65, 3415828), (124, 1790555), (130, 1707914), (155, 1432444), (163, 1362140), (169, 1313780), (260, 853957), (310, 716222), (326, 681070), (338, 656890), (403, 550940), (620, 358111), (652, 340535), (676, 328445), (806, 275470), (815, 272428), (845, 262756), (1612, 137735), (1630, 136214), (1690, 131378), (2015, 110188), (2119, 104780), (2197, 101060), (3260, 68107), (3380, 65689), (4030, 55094), (4238, 52390), (4394, 50530), (5053, 43940), (5239, 42380), (8060, 27547), (8476, 26195), (8788, 25265), (10106, 21970), (10478, 21190), (10595, 20956), (10985, 20212)]