279339970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{7487}}^1$

素因数の和:7555

約数の個数: 64

約数和(自身を含む): 634023936

約数和(自身を除く): 354683966

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 41, 65, 70, 82, 91, 130, 182, 205, 287, 410, 455, 533, 574, 910, 1066, 1435, 2665, 2870, 3731, 5330, 7462, 7487, 14974, 18655, 37310, 37435, 52409, 74870, 97331, 104818, 194662, 262045, 306967, 486655, 524090, 613934, 681317, 973310, 1362634, 1534835, 2148769, 3069670, 3406585, 3990571, 4297538, 6813170, 7981142, 10743845, 19952855, 21487690, 27933997, 39905710, 55867994, 139669985, 279339970]

約数ペア:

[(1, 279339970), (2, 139669985), (5, 55867994), (7, 39905710), (10, 27933997), (13, 21487690), (14, 19952855), (26, 10743845), (35, 7981142), (41, 6813170), (65, 4297538), (70, 3990571), (82, 3406585), (91, 3069670), (130, 2148769), (182, 1534835), (205, 1362634), (287, 973310), (410, 681317), (455, 613934), (533, 524090), (574, 486655), (910, 306967), (1066, 262045), (1435, 194662), (2665, 104818), (2870, 97331), (3731, 74870), (5330, 52409), (7462, 37435), (7487, 37310), (14974, 18655)]