201438740

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{1471}}^1$

素因数の和:1688

約数の個数: 48

約数和(自身を含む): 436230144

約数和(自身を除く): 234791404

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 167, 205, 334, 410, 668, 820, 835, 1471, 1670, 2942, 3340, 5884, 6847, 7355, 13694, 14710, 27388, 29420, 34235, 60311, 68470, 120622, 136940, 241244, 245657, 301555, 491314, 603110, 982628, 1206220, 1228285, 2456570, 4913140, 10071937, 20143874, 40287748, 50359685, 100719370, 201438740]

約数ペア:

[(1, 201438740), (2, 100719370), (4, 50359685), (5, 40287748), (10, 20143874), (20, 10071937), (41, 4913140), (82, 2456570), (164, 1228285), (167, 1206220), (205, 982628), (334, 603110), (410, 491314), (668, 301555), (820, 245657), (835, 241244), (1471, 136940), (1670, 120622), (2942, 68470), (3340, 60311), (5884, 34235), (6847, 29420), (7355, 27388), (13694, 14710)]