278312420

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{673}}^1$

素因数の和:765

約数の個数: 96

約数和(自身を含む): 652216320

約数和(自身を除く): 373903900

約数列:

[1, 2, 4, 5, 10, 20, 23, 29, 31, 46, 58, 62, 92, 115, 116, 124, 145, 155, 230, 290, 310, 460, 580, 620, 667, 673, 713, 899, 1334, 1346, 1426, 1798, 2668, 2692, 2852, 3335, 3365, 3565, 3596, 4495, 6670, 6730, 7130, 8990, 13340, 13460, 14260, 15479, 17980, 19517, 20677, 20863, 30958, 39034, 41354, 41726, 61916, 77395, 78068, 82708, 83452, 97585, 103385, 104315, 154790, 195170, 206770, 208630, 309580, 390340, 413540, 417260, 448891, 479849, 605027, 897782, 959698, 1210054, 1795564, 1919396, 2244455, 2399245, 2420108, 3025135, 4488910, 4798490, 6050270, 8977820, 9596980, 12100540, 13915621, 27831242, 55662484, 69578105, 139156210, 278312420]

約数ペア:

[(1, 278312420), (2, 139156210), (4, 69578105), (5, 55662484), (10, 27831242), (20, 13915621), (23, 12100540), (29, 9596980), (31, 8977820), (46, 6050270), (58, 4798490), (62, 4488910), (92, 3025135), (115, 2420108), (116, 2399245), (124, 2244455), (145, 1919396), (155, 1795564), (230, 1210054), (290, 959698), (310, 897782), (460, 605027), (580, 479849), (620, 448891), (667, 417260), (673, 413540), (713, 390340), (899, 309580), (1334, 208630), (1346, 206770), (1426, 195170), (1798, 154790), (2668, 104315), (2692, 103385), (2852, 97585), (3335, 83452), (3365, 82708), (3565, 78068), (3596, 77395), (4495, 61916), (6670, 41726), (6730, 41354), (7130, 39034), (8990, 30958), (13340, 20863), (13460, 20677), (14260, 19517), (15479, 17980)]