207628100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{569}}^1$

素因数の和:713

約数の個数: 72

約数和(自身を含む): 467548200

約数和(自身を除く): 259920100

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 89, 100, 164, 178, 205, 356, 410, 445, 569, 820, 890, 1025, 1138, 1780, 2050, 2225, 2276, 2845, 3649, 4100, 4450, 5690, 7298, 8900, 11380, 14225, 14596, 18245, 23329, 28450, 36490, 46658, 50641, 56900, 72980, 91225, 93316, 101282, 116645, 182450, 202564, 233290, 253205, 364900, 466580, 506410, 583225, 1012820, 1166450, 1266025, 2076281, 2332900, 2532050, 4152562, 5064100, 8305124, 10381405, 20762810, 41525620, 51907025, 103814050, 207628100]

約数ペア:

[(1, 207628100), (2, 103814050), (4, 51907025), (5, 41525620), (10, 20762810), (20, 10381405), (25, 8305124), (41, 5064100), (50, 4152562), (82, 2532050), (89, 2332900), (100, 2076281), (164, 1266025), (178, 1166450), (205, 1012820), (356, 583225), (410, 506410), (445, 466580), (569, 364900), (820, 253205), (890, 233290), (1025, 202564), (1138, 182450), (1780, 116645), (2050, 101282), (2225, 93316), (2276, 91225), (2845, 72980), (3649, 56900), (4100, 50641), (4450, 46658), (5690, 36490), (7298, 28450), (8900, 23329), (11380, 18245), (14225, 14596)]