2155410100

素因数分解:

$2^2\times 5^2\times {\mathrm{67}}^1\times {\mathrm{389}}^1\times {\mathrm{827}}^1$

素因数の和:1297

約数の個数: 72

約数和(自身を含む): 4765007520

約数和(自身を除く): 2609597420

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 67, 100, 134, 268, 335, 389, 670, 778, 827, 1340, 1556, 1654, 1675, 1945, 3308, 3350, 3890, 4135, 6700, 7780, 8270, 9725, 16540, 19450, 20675, 26063, 38900, 41350, 52126, 55409, 82700, 104252, 110818, 130315, 221636, 260630, 277045, 321703, 521260, 554090, 643406, 651575, 1108180, 1286812, 1303150, 1385225, 1608515, 2606300, 2770450, 3217030, 5540900, 6434060, 8042575, 16085150, 21554101, 32170300, 43108202, 86216404, 107770505, 215541010, 431082020, 538852525, 1077705050, 2155410100]

約数ペア:

[(1, 2155410100), (2, 1077705050), (4, 538852525), (5, 431082020), (10, 215541010), (20, 107770505), (25, 86216404), (50, 43108202), (67, 32170300), (100, 21554101), (134, 16085150), (268, 8042575), (335, 6434060), (389, 5540900), (670, 3217030), (778, 2770450), (827, 2606300), (1340, 1608515), (1556, 1385225), (1654, 1303150), (1675, 1286812), (1945, 1108180), (3308, 651575), (3350, 643406), (3890, 554090), (4135, 521260), (6700, 321703), (7780, 277045), (8270, 260630), (9725, 221636), (16540, 130315), (19450, 110818), (20675, 104252), (26063, 82700), (38900, 55409), (41350, 52126)]