212399620

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{1327}}^1$

素因数の和:1540

約数の個数: 48

約数和(自身を含む): 457809408

約数和(自身を除く): 245409788

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 151, 212, 265, 302, 530, 604, 755, 1060, 1327, 1510, 2654, 3020, 5308, 6635, 8003, 13270, 16006, 26540, 32012, 40015, 70331, 80030, 140662, 160060, 200377, 281324, 351655, 400754, 703310, 801508, 1001885, 1406620, 2003770, 4007540, 10619981, 21239962, 42479924, 53099905, 106199810, 212399620]

約数ペア:

[(1, 212399620), (2, 106199810), (4, 53099905), (5, 42479924), (10, 21239962), (20, 10619981), (53, 4007540), (106, 2003770), (151, 1406620), (212, 1001885), (265, 801508), (302, 703310), (530, 400754), (604, 351655), (755, 281324), (1060, 200377), (1327, 160060), (1510, 140662), (2654, 80030), (3020, 70331), (5308, 40015), (6635, 32012), (8003, 26540), (13270, 16006)]