47678900

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{401}}^1$

素因数の和:485

約数の個数: 72

約数和(自身を含む): 109914840

約数和(自身を除く): 62235940

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 41, 50, 58, 82, 100, 116, 145, 164, 205, 290, 401, 410, 580, 725, 802, 820, 1025, 1189, 1450, 1604, 2005, 2050, 2378, 2900, 4010, 4100, 4756, 5945, 8020, 10025, 11629, 11890, 16441, 20050, 23258, 23780, 29725, 32882, 40100, 46516, 58145, 59450, 65764, 82205, 116290, 118900, 164410, 232580, 290725, 328820, 411025, 476789, 581450, 822050, 953578, 1162900, 1644100, 1907156, 2383945, 4767890, 9535780, 11919725, 23839450, 47678900]

約数ペア:

[(1, 47678900), (2, 23839450), (4, 11919725), (5, 9535780), (10, 4767890), (20, 2383945), (25, 1907156), (29, 1644100), (41, 1162900), (50, 953578), (58, 822050), (82, 581450), (100, 476789), (116, 411025), (145, 328820), (164, 290725), (205, 232580), (290, 164410), (401, 118900), (410, 116290), (580, 82205), (725, 65764), (802, 59450), (820, 58145), (1025, 46516), (1189, 40100), (1450, 32882), (1604, 29725), (2005, 23780), (2050, 23258), (2378, 20050), (2900, 16441), (4010, 11890), (4100, 11629), (4756, 10025), (5945, 8020)]