1330533020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{15439}}^1$

素因数の和:15618

約数の個数: 48

約数和(自身を含む): 2905190400

約数和(自身を除く): 1574657380

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 139, 155, 278, 310, 556, 620, 695, 1390, 2780, 4309, 8618, 15439, 17236, 21545, 30878, 43090, 61756, 77195, 86180, 154390, 308780, 478609, 957218, 1914436, 2146021, 2393045, 4292042, 4786090, 8584084, 9572180, 10730105, 21460210, 42920420, 66526651, 133053302, 266106604, 332633255, 665266510, 1330533020]

約数ペア:

[(1, 1330533020), (2, 665266510), (4, 332633255), (5, 266106604), (10, 133053302), (20, 66526651), (31, 42920420), (62, 21460210), (124, 10730105), (139, 9572180), (155, 8584084), (278, 4786090), (310, 4292042), (556, 2393045), (620, 2146021), (695, 1914436), (1390, 957218), (2780, 478609), (4309, 308780), (8618, 154390), (15439, 86180), (17236, 77195), (21545, 61756), (30878, 43090)]