291245320

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{316571}}^1$

素因数の和:316605

約数の個数: 32

約数和(自身を含む): 683795520

約数和(自身を除く): 392550200

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 316571, 633142, 1266284, 1582855, 2532568, 3165710, 6331420, 7281133, 12662840, 14562266, 29124532, 36405665, 58249064, 72811330, 145622660, 291245320]

約数ペア:

[(1, 291245320), (2, 145622660), (4, 72811330), (5, 58249064), (8, 36405665), (10, 29124532), (20, 14562266), (23, 12662840), (40, 7281133), (46, 6331420), (92, 3165710), (115, 2532568), (184, 1582855), (230, 1266284), (460, 633142), (920, 316571)]