304876720

素因数分解:

$2^4\times 5^1\times {\mathrm{439}}^1\times {\mathrm{8681}}^1$

素因数の和:9133

約数の個数: 40

約数和(自身を含む): 710534880

約数和(自身を除く): 405658160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 439, 878, 1756, 2195, 3512, 4390, 7024, 8681, 8780, 17362, 17560, 34724, 35120, 43405, 69448, 86810, 138896, 173620, 347240, 694480, 3810959, 7621918, 15243836, 19054795, 30487672, 38109590, 60975344, 76219180, 152438360, 304876720]

約数ペア:

[(1, 304876720), (2, 152438360), (4, 76219180), (5, 60975344), (8, 38109590), (10, 30487672), (16, 19054795), (20, 15243836), (40, 7621918), (80, 3810959), (439, 694480), (878, 347240), (1756, 173620), (2195, 138896), (3512, 86810), (4390, 69448), (7024, 43405), (8681, 35120), (8780, 34724), (17362, 17560)]