170783620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{229}}^1\times {\mathrm{761}}^1$

素因数の和:1013

約数の個数: 72

約数和(自身を含む): 419572440

約数和(自身を除く): 248788820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 229, 245, 458, 490, 761, 916, 980, 1145, 1522, 1603, 2290, 3044, 3206, 3805, 4580, 5327, 6412, 7610, 8015, 10654, 11221, 15220, 16030, 21308, 22442, 26635, 32060, 37289, 44884, 53270, 56105, 74578, 106540, 112210, 149156, 174269, 186445, 224420, 348538, 372890, 697076, 745780, 871345, 1219883, 1742690, 2439766, 3485380, 4879532, 6099415, 8539181, 12198830, 17078362, 24397660, 34156724, 42695905, 85391810, 170783620]

約数ペア:

[(1, 170783620), (2, 85391810), (4, 42695905), (5, 34156724), (7, 24397660), (10, 17078362), (14, 12198830), (20, 8539181), (28, 6099415), (35, 4879532), (49, 3485380), (70, 2439766), (98, 1742690), (140, 1219883), (196, 871345), (229, 745780), (245, 697076), (458, 372890), (490, 348538), (761, 224420), (916, 186445), (980, 174269), (1145, 149156), (1522, 112210), (1603, 106540), (2290, 74578), (3044, 56105), (3206, 53270), (3805, 44884), (4580, 37289), (5327, 32060), (6412, 26635), (7610, 22442), (8015, 21308), (10654, 16030), (11221, 15220)]