206530520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{3221}}^1$

素因数の和:3468

約数の個数: 64

約数和(自身を含む): 533563200

約数和(自身を除く): 327032680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 229, 280, 458, 916, 1145, 1603, 1832, 2290, 3206, 3221, 4580, 6412, 6442, 8015, 9160, 12824, 12884, 16030, 16105, 22547, 25768, 32060, 32210, 45094, 64120, 64420, 90188, 112735, 128840, 180376, 225470, 450940, 737609, 901880, 1475218, 2950436, 3688045, 5163263, 5900872, 7376090, 10326526, 14752180, 20653052, 25816315, 29504360, 41306104, 51632630, 103265260, 206530520]

約数ペア:

[(1, 206530520), (2, 103265260), (4, 51632630), (5, 41306104), (7, 29504360), (8, 25816315), (10, 20653052), (14, 14752180), (20, 10326526), (28, 7376090), (35, 5900872), (40, 5163263), (56, 3688045), (70, 2950436), (140, 1475218), (229, 901880), (280, 737609), (458, 450940), (916, 225470), (1145, 180376), (1603, 128840), (1832, 112735), (2290, 90188), (3206, 64420), (3221, 64120), (4580, 45094), (6412, 32210), (6442, 32060), (8015, 25768), (9160, 22547), (12824, 16105), (12884, 16030)]