187838920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{151483}}^1$

素因数の和:151525

約数の個数: 32

約数和(自身を含む): 436273920

約数和(自身を除く): 248435000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 151483, 302966, 605932, 757415, 1211864, 1514830, 3029660, 4695973, 6059320, 9391946, 18783892, 23479865, 37567784, 46959730, 93919460, 187838920]

約数ペア:

[(1, 187838920), (2, 93919460), (4, 46959730), (5, 37567784), (8, 23479865), (10, 18783892), (20, 9391946), (31, 6059320), (40, 4695973), (62, 3029660), (124, 1514830), (155, 1211864), (248, 757415), (310, 605932), (620, 302966), (1240, 151483)]