156731380

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31727}}^1$

素因数の和:31768

約数の個数: 48

約数和(自身を含む): 373121280

約数和(自身を除く): 216389900

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 31727, 63454, 126908, 158635, 317270, 412451, 602813, 634540, 824902, 1205626, 1649804, 2062255, 2411252, 3014065, 4124510, 6028130, 7836569, 8249020, 12056260, 15673138, 31346276, 39182845, 78365690, 156731380]

約数ペア:

[(1, 156731380), (2, 78365690), (4, 39182845), (5, 31346276), (10, 15673138), (13, 12056260), (19, 8249020), (20, 7836569), (26, 6028130), (38, 4124510), (52, 3014065), (65, 2411252), (76, 2062255), (95, 1649804), (130, 1205626), (190, 824902), (247, 634540), (260, 602813), (380, 412451), (494, 317270), (988, 158635), (1235, 126908), (2470, 63454), (4940, 31727)]