398192465740

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{19199251}}^1$

素因数の和:19199338

約数の個数: 48

約数和(自身を含む): 899907339744

約数和(自身を除く): 501714874004

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 61, 68, 85, 122, 170, 244, 305, 340, 610, 1037, 1220, 2074, 4148, 5185, 10370, 20740, 19199251, 38398502, 76797004, 95996255, 191992510, 326387267, 383985020, 652774534, 1171154311, 1305549068, 1631936335, 2342308622, 3263872670, 4684617244, 5855771555, 6527745340, 11711543110, 19909623287, 23423086220, 39819246574, 79638493148, 99548116435, 199096232870, 398192465740]

約数ペア:

[(1, 398192465740), (2, 199096232870), (4, 99548116435), (5, 79638493148), (10, 39819246574), (17, 23423086220), (20, 19909623287), (34, 11711543110), (61, 6527745340), (68, 5855771555), (85, 4684617244), (122, 3263872670), (170, 2342308622), (244, 1631936335), (305, 1305549068), (340, 1171154311), (610, 652774534), (1037, 383985020), (1220, 326387267), (2074, 191992510), (4148, 95996255), (5185, 76797004), (10370, 38398502), (20740, 19199251)]