151940920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{122533}}^1$

素因数の和:122575

約数の個数: 32

約数和(自身を含む): 352897920

約数和(自身を除く): 200957000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 122533, 245066, 490132, 612665, 980264, 1225330, 2450660, 3798523, 4901320, 7597046, 15194092, 18992615, 30388184, 37985230, 75970460, 151940920]

約数ペア:

[(1, 151940920), (2, 75970460), (4, 37985230), (5, 30388184), (8, 18992615), (10, 15194092), (20, 7597046), (31, 4901320), (40, 3798523), (62, 2450660), (124, 1225330), (155, 980264), (248, 612665), (310, 490132), (620, 245066), (1240, 122533)]