687665980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{719}}^1$

素因数の和:871

約数の個数: 96

約数和(自身を含む): 1600300800

約数和(自身を除く): 912634820

約数列:

[1, 2, 4, 5, 10, 17, 20, 29, 34, 58, 68, 85, 97, 116, 145, 170, 194, 290, 340, 388, 485, 493, 580, 719, 970, 986, 1438, 1649, 1940, 1972, 2465, 2813, 2876, 3298, 3595, 4930, 5626, 6596, 7190, 8245, 9860, 11252, 12223, 14065, 14380, 16490, 20851, 24446, 28130, 32980, 41702, 47821, 48892, 56260, 61115, 69743, 83404, 95642, 104255, 122230, 139486, 191284, 208510, 239105, 244460, 278972, 348715, 354467, 417020, 478210, 697430, 708934, 956420, 1185631, 1394860, 1417868, 1772335, 2022547, 2371262, 3544670, 4045094, 4742524, 5928155, 7089340, 8090188, 10112735, 11856310, 20225470, 23712620, 34383299, 40450940, 68766598, 137533196, 171916495, 343832990, 687665980]

約数ペア:

[(1, 687665980), (2, 343832990), (4, 171916495), (5, 137533196), (10, 68766598), (17, 40450940), (20, 34383299), (29, 23712620), (34, 20225470), (58, 11856310), (68, 10112735), (85, 8090188), (97, 7089340), (116, 5928155), (145, 4742524), (170, 4045094), (194, 3544670), (290, 2371262), (340, 2022547), (388, 1772335), (485, 1417868), (493, 1394860), (580, 1185631), (719, 956420), (970, 708934), (986, 697430), (1438, 478210), (1649, 417020), (1940, 354467), (1972, 348715), (2465, 278972), (2813, 244460), (2876, 239105), (3298, 208510), (3595, 191284), (4930, 139486), (5626, 122230), (6596, 104255), (7190, 95642), (8245, 83404), (9860, 69743), (11252, 61115), (12223, 56260), (14065, 48892), (14380, 47821), (16490, 41702), (20851, 32980), (24446, 28130)]