219702910

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{1553}}^1$

素因数の和:1657

約数の個数: 64

約数和(自身を含む): 472614912

約数和(自身を除く): 252912002

約数列:

[1, 2, 5, 7, 10, 14, 35, 43, 47, 70, 86, 94, 215, 235, 301, 329, 430, 470, 602, 658, 1505, 1553, 1645, 2021, 3010, 3106, 3290, 4042, 7765, 10105, 10871, 14147, 15530, 20210, 21742, 28294, 54355, 66779, 70735, 72991, 108710, 133558, 141470, 145982, 333895, 364955, 467453, 510937, 667790, 729910, 934906, 1021874, 2337265, 2554685, 3138613, 4674530, 5109370, 6277226, 15693065, 21970291, 31386130, 43940582, 109851455, 219702910]

約数ペア:

[(1, 219702910), (2, 109851455), (5, 43940582), (7, 31386130), (10, 21970291), (14, 15693065), (35, 6277226), (43, 5109370), (47, 4674530), (70, 3138613), (86, 2554685), (94, 2337265), (215, 1021874), (235, 934906), (301, 729910), (329, 667790), (430, 510937), (470, 467453), (602, 364955), (658, 333895), (1505, 145982), (1553, 141470), (1645, 133558), (2021, 108710), (3010, 72991), (3106, 70735), (3290, 66779), (4042, 54355), (7765, 28294), (10105, 21742), (10871, 20210), (14147, 15530)]