2019418480

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1\times {\mathrm{7703}}^1$

素因数の和:7858

約数の個数: 80

約数和(自身を含む): 4900668480

約数和(自身を除く): 2881250000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 113, 116, 145, 226, 232, 290, 452, 464, 565, 580, 904, 1130, 1160, 1808, 2260, 2320, 3277, 4520, 6554, 7703, 9040, 13108, 15406, 16385, 26216, 30812, 32770, 38515, 52432, 61624, 65540, 77030, 123248, 131080, 154060, 223387, 262160, 308120, 446774, 616240, 870439, 893548, 1116935, 1740878, 1787096, 2233870, 3481756, 3574192, 4352195, 4467740, 6963512, 8704390, 8935480, 13927024, 17408780, 17870960, 25242731, 34817560, 50485462, 69635120, 100970924, 126213655, 201941848, 252427310, 403883696, 504854620, 1009709240, 2019418480]

約数ペア:

[(1, 2019418480), (2, 1009709240), (4, 504854620), (5, 403883696), (8, 252427310), (10, 201941848), (16, 126213655), (20, 100970924), (29, 69635120), (40, 50485462), (58, 34817560), (80, 25242731), (113, 17870960), (116, 17408780), (145, 13927024), (226, 8935480), (232, 8704390), (290, 6963512), (452, 4467740), (464, 4352195), (565, 3574192), (580, 3481756), (904, 2233870), (1130, 1787096), (1160, 1740878), (1808, 1116935), (2260, 893548), (2320, 870439), (3277, 616240), (4520, 446774), (6554, 308120), (7703, 262160), (9040, 223387), (13108, 154060), (15406, 131080), (16385, 123248), (26216, 77030), (30812, 65540), (32770, 61624), (38515, 52432)]