781292920

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1028017}}^1$

素因数の和:1028047

約数の個数: 32

約数和(自身を含む): 1850432400

約数和(自身を除く): 1069139480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 1028017, 2056034, 4112068, 5140085, 8224136, 10280170, 19532323, 20560340, 39064646, 41120680, 78129292, 97661615, 156258584, 195323230, 390646460, 781292920]

約数ペア:

[(1, 781292920), (2, 390646460), (4, 195323230), (5, 156258584), (8, 97661615), (10, 78129292), (19, 41120680), (20, 39064646), (38, 20560340), (40, 19532323), (76, 10280170), (95, 8224136), (152, 5140085), (190, 4112068), (380, 2056034), (760, 1028017)]