291257960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{821}}^1$

素因数の和:1027

約数の個数: 96

約数和(自身を含む): 767468520

約数和(自身を除く): 476210560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 181, 196, 245, 280, 362, 392, 490, 724, 821, 905, 980, 1267, 1448, 1642, 1810, 1960, 2534, 3284, 3620, 4105, 5068, 5747, 6335, 6568, 7240, 8210, 8869, 10136, 11494, 12670, 16420, 17738, 22988, 25340, 28735, 32840, 35476, 40229, 44345, 45976, 50680, 57470, 70952, 80458, 88690, 114940, 148601, 160916, 177380, 201145, 229880, 297202, 321832, 354760, 402290, 594404, 743005, 804580, 1040207, 1188808, 1486010, 1609160, 2080414, 2972020, 4160828, 5201035, 5944040, 7281449, 8321656, 10402070, 14562898, 20804140, 29125796, 36407245, 41608280, 58251592, 72814490, 145628980, 291257960]

約数ペア:

[(1, 291257960), (2, 145628980), (4, 72814490), (5, 58251592), (7, 41608280), (8, 36407245), (10, 29125796), (14, 20804140), (20, 14562898), (28, 10402070), (35, 8321656), (40, 7281449), (49, 5944040), (56, 5201035), (70, 4160828), (98, 2972020), (140, 2080414), (181, 1609160), (196, 1486010), (245, 1188808), (280, 1040207), (362, 804580), (392, 743005), (490, 594404), (724, 402290), (821, 354760), (905, 321832), (980, 297202), (1267, 229880), (1448, 201145), (1642, 177380), (1810, 160916), (1960, 148601), (2534, 114940), (3284, 88690), (3620, 80458), (4105, 70952), (5068, 57470), (5747, 50680), (6335, 45976), (6568, 44345), (7240, 40229), (8210, 35476), (8869, 32840), (10136, 28735), (11494, 25340), (12670, 22988), (16420, 17738)]