661607870

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{50543}}^1$

素因数の和:50585

約数の個数: 64

約数和(自身を含む): 1572120576

約数和(自身を除く): 910512706

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 154, 170, 187, 238, 374, 385, 595, 770, 935, 1190, 1309, 1870, 2618, 6545, 13090, 50543, 101086, 252715, 353801, 505430, 555973, 707602, 859231, 1111946, 1718462, 1769005, 2779865, 3538010, 3891811, 4296155, 5559730, 6014617, 7783622, 8592310, 9451541, 12029234, 18903082, 19459055, 30073085, 38918110, 47257705, 60146170, 66160787, 94515410, 132321574, 330803935, 661607870]

約数ペア:

[(1, 661607870), (2, 330803935), (5, 132321574), (7, 94515410), (10, 66160787), (11, 60146170), (14, 47257705), (17, 38918110), (22, 30073085), (34, 19459055), (35, 18903082), (55, 12029234), (70, 9451541), (77, 8592310), (85, 7783622), (110, 6014617), (119, 5559730), (154, 4296155), (170, 3891811), (187, 3538010), (238, 2779865), (374, 1769005), (385, 1718462), (595, 1111946), (770, 859231), (935, 707602), (1190, 555973), (1309, 505430), (1870, 353801), (2618, 252715), (6545, 101086), (13090, 50543)]