128466340

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{173}}^1\times {\mathrm{347}}^1$

素因数の和:636

約数の個数: 48

約数和(自身を含む): 274663872

約数和(自身を除く): 146197532

約数列:

[1, 2, 4, 5, 10, 20, 107, 173, 214, 346, 347, 428, 535, 692, 694, 865, 1070, 1388, 1730, 1735, 2140, 3460, 3470, 6940, 18511, 37022, 37129, 60031, 74044, 74258, 92555, 120062, 148516, 185110, 185645, 240124, 300155, 370220, 371290, 600310, 742580, 1200620, 6423317, 12846634, 25693268, 32116585, 64233170, 128466340]

約数ペア:

[(1, 128466340), (2, 64233170), (4, 32116585), (5, 25693268), (10, 12846634), (20, 6423317), (107, 1200620), (173, 742580), (214, 600310), (346, 371290), (347, 370220), (428, 300155), (535, 240124), (692, 185645), (694, 185110), (865, 148516), (1070, 120062), (1388, 92555), (1730, 74258), (1735, 74044), (2140, 60031), (3460, 37129), (3470, 37022), (6940, 18511)]