307777390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{15727}}^1$

素因数の和:15856

約数の個数: 32

約数和(自身を含む): 588856320

約数和(自身を除く): 281078930

約数列:

[1, 2, 5, 10, 19, 38, 95, 103, 190, 206, 515, 1030, 1957, 3914, 9785, 15727, 19570, 31454, 78635, 157270, 298813, 597626, 1494065, 1619881, 2988130, 3239762, 8099405, 16198810, 30777739, 61555478, 153888695, 307777390]

約数ペア:

[(1, 307777390), (2, 153888695), (5, 61555478), (10, 30777739), (19, 16198810), (38, 8099405), (95, 3239762), (103, 2988130), (190, 1619881), (206, 1494065), (515, 597626), (1030, 298813), (1957, 157270), (3914, 78635), (9785, 31454), (15727, 19570)]