251134640

素因数分解:

$2^4\times 5^1\times {\mathrm{227}}^1\times {\mathrm{13829}}^1$

素因数の和:14069

約数の個数: 40

約数和(自身を含む): 586502640

約数和(自身を除く): 335368000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 227, 454, 908, 1135, 1816, 2270, 3632, 4540, 9080, 13829, 18160, 27658, 55316, 69145, 110632, 138290, 221264, 276580, 553160, 1106320, 3139183, 6278366, 12556732, 15695915, 25113464, 31391830, 50226928, 62783660, 125567320, 251134640]

約数ペア:

[(1, 251134640), (2, 125567320), (4, 62783660), (5, 50226928), (8, 31391830), (10, 25113464), (16, 15695915), (20, 12556732), (40, 6278366), (80, 3139183), (227, 1106320), (454, 553160), (908, 276580), (1135, 221264), (1816, 138290), (2270, 110632), (3632, 69145), (4540, 55316), (9080, 27658), (13829, 18160)]