219075140

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{229}}^1\times {\mathrm{1543}}^1$

素因数の和:1812

約数の個数: 48

約数和(自身を含む): 477281280

約数和(自身を除く): 258206140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 229, 310, 458, 620, 916, 1145, 1543, 2290, 3086, 4580, 6172, 7099, 7715, 14198, 15430, 28396, 30860, 35495, 47833, 70990, 95666, 141980, 191332, 239165, 353347, 478330, 706694, 956660, 1413388, 1766735, 3533470, 7066940, 10953757, 21907514, 43815028, 54768785, 109537570, 219075140]

約数ペア:

[(1, 219075140), (2, 109537570), (4, 54768785), (5, 43815028), (10, 21907514), (20, 10953757), (31, 7066940), (62, 3533470), (124, 1766735), (155, 1413388), (229, 956660), (310, 706694), (458, 478330), (620, 353347), (916, 239165), (1145, 191332), (1543, 141980), (2290, 95666), (3086, 70990), (4580, 47833), (6172, 35495), (7099, 30860), (7715, 28396), (14198, 15430)]