2019998530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{7001}}^1$

素因数の和:7123

約数の個数: 64

約数和(自身を含む): 4125914496

約数和(自身を除く): 2105915966

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 61, 86, 110, 122, 215, 305, 430, 473, 610, 671, 946, 1342, 2365, 2623, 3355, 4730, 5246, 6710, 7001, 13115, 14002, 26230, 28853, 35005, 57706, 70010, 77011, 144265, 154022, 288530, 301043, 385055, 427061, 602086, 770110, 854122, 1505215, 2135305, 3010430, 3311473, 4270610, 4697671, 6622946, 9395342, 16557365, 18363623, 23488355, 33114730, 36727246, 46976710, 91818115, 183636230, 201999853, 403999706, 1009999265, 2019998530]

約数ペア:

[(1, 2019998530), (2, 1009999265), (5, 403999706), (10, 201999853), (11, 183636230), (22, 91818115), (43, 46976710), (55, 36727246), (61, 33114730), (86, 23488355), (110, 18363623), (122, 16557365), (215, 9395342), (305, 6622946), (430, 4697671), (473, 4270610), (610, 3311473), (671, 3010430), (946, 2135305), (1342, 1505215), (2365, 854122), (2623, 770110), (3355, 602086), (4730, 427061), (5246, 385055), (6710, 301043), (7001, 288530), (13115, 154022), (14002, 144265), (26230, 77011), (28853, 70010), (35005, 57706)]