388200420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{2156669}}^1$

素因数の和:2156684

約数の個数: 36

約数和(自身を含む): 1177541820

約数和(自身を除く): 789341400

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 2156669, 4313338, 6470007, 8626676, 10783345, 12940014, 19410021, 21566690, 25880028, 32350035, 38820042, 43133380, 64700070, 77640084, 97050105, 129400140, 194100210, 388200420]

約数ペア:

[(1, 388200420), (2, 194100210), (3, 129400140), (4, 97050105), (5, 77640084), (6, 64700070), (9, 43133380), (10, 38820042), (12, 32350035), (15, 25880028), (18, 21566690), (20, 19410021), (30, 12940014), (36, 10783345), (45, 8626676), (60, 6470007), (90, 4313338), (180, 2156669)]