212562420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{506101}}^1$

素因数の和:506120

約数の個数: 48

約数和(自身を含む): 680201088

約数和(自身を除く): 467638668

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 506101, 1012202, 1518303, 2024404, 2530505, 3036606, 3542707, 5061010, 6073212, 7085414, 7591515, 10122020, 10628121, 14170828, 15183030, 17713535, 21256242, 30366060, 35427070, 42512484, 53140605, 70854140, 106281210, 212562420]

約数ペア:

[(1, 212562420), (2, 106281210), (3, 70854140), (4, 53140605), (5, 42512484), (6, 35427070), (7, 30366060), (10, 21256242), (12, 17713535), (14, 15183030), (15, 14170828), (20, 10628121), (21, 10122020), (28, 7591515), (30, 7085414), (35, 6073212), (42, 5061010), (60, 3542707), (70, 3036606), (84, 2530505), (105, 2024404), (140, 1518303), (210, 1012202), (420, 506101)]