7380458890

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{3881}}^2$

素因数の和:7783

約数の個数: 36

約数和(自身を含む): 15457760118

約数和(自身を除く): 8077301228

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 490, 3881, 7762, 19405, 27167, 38810, 54334, 135835, 190169, 271670, 380338, 950845, 1901690, 15062161, 30124322, 75310805, 105435127, 150621610, 210870254, 527175635, 738045889, 1054351270, 1476091778, 3690229445, 7380458890]

約数ペア:

[(1, 7380458890), (2, 3690229445), (5, 1476091778), (7, 1054351270), (10, 738045889), (14, 527175635), (35, 210870254), (49, 150621610), (70, 105435127), (98, 75310805), (245, 30124322), (490, 15062161), (3881, 1901690), (7762, 950845), (19405, 380338), (27167, 271670), (38810, 190169), (54334, 135835)]