29756980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3299}}^1$

素因数の和:3360

約数の個数: 48

約数和(自身を含む): 69854400

約数和(自身を除く): 40097420

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 3299, 4510, 6598, 9020, 13196, 16495, 32990, 36289, 65980, 72578, 135259, 145156, 181445, 270518, 362890, 541036, 676295, 725780, 1352590, 1487849, 2705180, 2975698, 5951396, 7439245, 14878490, 29756980]

約数ペア:

[(1, 29756980), (2, 14878490), (4, 7439245), (5, 5951396), (10, 2975698), (11, 2705180), (20, 1487849), (22, 1352590), (41, 725780), (44, 676295), (55, 541036), (82, 362890), (110, 270518), (164, 181445), (205, 145156), (220, 135259), (410, 72578), (451, 65980), (820, 36289), (902, 32990), (1804, 16495), (2255, 13196), (3299, 9020), (4510, 6598)]