1391482430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{449}}^1\times {\mathrm{769}}^1$

素因数の和:1269

約数の個数: 64

約数和(自身を含む): 2794176000

約数和(自身を除く): 1402693570

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 449, 769, 806, 898, 1538, 2015, 2245, 3845, 4030, 4490, 5837, 7690, 9997, 11674, 13919, 19994, 23839, 27838, 29185, 47678, 49985, 58370, 69595, 99970, 119195, 139190, 180947, 238390, 309907, 345281, 361894, 619814, 690562, 904735, 1549535, 1726405, 1809470, 3099070, 3452810, 4488653, 8977306, 10703711, 21407422, 22443265, 44886530, 53518555, 107037110, 139148243, 278296486, 695741215, 1391482430]

約数ペア:

[(1, 1391482430), (2, 695741215), (5, 278296486), (10, 139148243), (13, 107037110), (26, 53518555), (31, 44886530), (62, 22443265), (65, 21407422), (130, 10703711), (155, 8977306), (310, 4488653), (403, 3452810), (449, 3099070), (769, 1809470), (806, 1726405), (898, 1549535), (1538, 904735), (2015, 690562), (2245, 619814), (3845, 361894), (4030, 345281), (4490, 309907), (5837, 238390), (7690, 180947), (9997, 139190), (11674, 119195), (13919, 99970), (19994, 69595), (23839, 58370), (27838, 49985), (29185, 47678)]