2021799550

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{383}}^1\times {\mathrm{1487}}^1$

素因数の和:1953

約数の個数: 48

約数和(自身を含む): 3826040832

約数和(自身を除く): 1804241282

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 383, 710, 766, 1487, 1775, 1915, 2974, 3550, 3830, 7435, 9575, 14870, 19150, 27193, 37175, 54386, 74350, 105577, 135965, 211154, 271930, 527885, 569521, 679825, 1055770, 1139042, 1359650, 2639425, 2847605, 5278850, 5695210, 14238025, 28476050, 40435991, 80871982, 202179955, 404359910, 1010899775, 2021799550]

約数ペア:

[(1, 2021799550), (2, 1010899775), (5, 404359910), (10, 202179955), (25, 80871982), (50, 40435991), (71, 28476050), (142, 14238025), (355, 5695210), (383, 5278850), (710, 2847605), (766, 2639425), (1487, 1359650), (1775, 1139042), (1915, 1055770), (2974, 679825), (3550, 569521), (3830, 527885), (7435, 271930), (9575, 211154), (14870, 135965), (19150, 105577), (27193, 74350), (37175, 54386)]