29957680

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{19709}}^1$

素因数の和:19741

約数の個数: 40

約数和(自身を含む): 73321200

約数和(自身を除く): 43363520

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 19709, 39418, 78836, 98545, 157672, 197090, 315344, 374471, 394180, 748942, 788360, 1497884, 1576720, 1872355, 2995768, 3744710, 5991536, 7489420, 14978840, 29957680]

約数ペア:

[(1, 29957680), (2, 14978840), (4, 7489420), (5, 5991536), (8, 3744710), (10, 2995768), (16, 1872355), (19, 1576720), (20, 1497884), (38, 788360), (40, 748942), (76, 394180), (80, 374471), (95, 315344), (152, 197090), (190, 157672), (304, 98545), (380, 78836), (760, 39418), (1520, 19709)]