85478890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:799

約数の個数: 64

約数和(自身を含む): 188179200

約数和(自身を除く): 102700310

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 109, 119, 170, 218, 238, 545, 595, 659, 763, 1090, 1190, 1318, 1526, 1853, 3295, 3706, 3815, 4613, 6590, 7630, 9226, 9265, 11203, 12971, 18530, 22406, 23065, 25942, 46130, 56015, 64855, 71831, 78421, 112030, 129710, 143662, 156842, 359155, 392105, 502817, 718310, 784210, 1005634, 1221127, 2442254, 2514085, 5028170, 6105635, 8547889, 12211270, 17095778, 42739445, 85478890]

約数ペア:

[(1, 85478890), (2, 42739445), (5, 17095778), (7, 12211270), (10, 8547889), (14, 6105635), (17, 5028170), (34, 2514085), (35, 2442254), (70, 1221127), (85, 1005634), (109, 784210), (119, 718310), (170, 502817), (218, 392105), (238, 359155), (545, 156842), (595, 143662), (659, 129710), (763, 112030), (1090, 78421), (1190, 71831), (1318, 64855), (1526, 56015), (1853, 46130), (3295, 25942), (3706, 23065), (3815, 22406), (4613, 18530), (6590, 12971), (7630, 11203), (9226, 9265)]