30800996900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{108799}}^1$

素因数の和:108981

約数の個数: 72

約数和(自身を含む): 70828800000

約数和(自身を除く): 40027803100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 149, 190, 298, 380, 475, 596, 745, 950, 1490, 1900, 2831, 2980, 3725, 5662, 7450, 11324, 14155, 14900, 28310, 56620, 70775, 108799, 141550, 217598, 283100, 435196, 543995, 1087990, 2067181, 2175980, 2719975, 4134362, 5439950, 8268724, 10335905, 10879900, 16211051, 20671810, 32422102, 41343620, 51679525, 64844204, 81055255, 103359050, 162110510, 206718100, 308009969, 324221020, 405276275, 616019938, 810552550, 1232039876, 1540049845, 1621105100, 3080099690, 6160199380, 7700249225, 15400498450, 30800996900]

約数ペア:

[(1, 30800996900), (2, 15400498450), (4, 7700249225), (5, 6160199380), (10, 3080099690), (19, 1621105100), (20, 1540049845), (25, 1232039876), (38, 810552550), (50, 616019938), (76, 405276275), (95, 324221020), (100, 308009969), (149, 206718100), (190, 162110510), (298, 103359050), (380, 81055255), (475, 64844204), (596, 51679525), (745, 41343620), (950, 32422102), (1490, 20671810), (1900, 16211051), (2831, 10879900), (2980, 10335905), (3725, 8268724), (5662, 5439950), (7450, 4134362), (11324, 2719975), (14155, 2175980), (14900, 2067181), (28310, 1087990), (56620, 543995), (70775, 435196), (108799, 283100), (141550, 217598)]