1269883340

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{19973}}^1$

素因数の和:20027

約数の個数: 72

約数和(自身を含む): 3090537072

約数和(自身を除く): 1820653732

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 289, 340, 374, 578, 748, 935, 1156, 1445, 1870, 2890, 3179, 3740, 5780, 6358, 12716, 15895, 19973, 31790, 39946, 63580, 79892, 99865, 199730, 219703, 339541, 399460, 439406, 679082, 878812, 1098515, 1358164, 1697705, 2197030, 3395410, 3734951, 4394060, 5772197, 6790820, 7469902, 11544394, 14939804, 18674755, 23088788, 28860985, 37349510, 57721970, 63494167, 74699020, 115443940, 126988334, 253976668, 317470835, 634941670, 1269883340]

約数ペア:

[(1, 1269883340), (2, 634941670), (4, 317470835), (5, 253976668), (10, 126988334), (11, 115443940), (17, 74699020), (20, 63494167), (22, 57721970), (34, 37349510), (44, 28860985), (55, 23088788), (68, 18674755), (85, 14939804), (110, 11544394), (170, 7469902), (187, 6790820), (220, 5772197), (289, 4394060), (340, 3734951), (374, 3395410), (578, 2197030), (748, 1697705), (935, 1358164), (1156, 1098515), (1445, 878812), (1870, 679082), (2890, 439406), (3179, 399460), (3740, 339541), (5780, 219703), (6358, 199730), (12716, 99865), (15895, 79892), (19973, 63580), (31790, 39946)]