203430925

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 277482240

約数和(自身を除く): 74051315

約数列:

[1, 5, 17, 25, 73, 79, 83, 85, 365, 395, 415, 425, 1241, 1343, 1411, 1825, 1975, 2075, 5767, 6059, 6205, 6557, 6715, 7055, 28835, 30295, 31025, 32785, 33575, 35275, 98039, 103003, 111469, 144175, 151475, 163925, 478661, 490195, 515015, 557345, 2393305, 2450975, 2575075, 2786725, 8137237, 11966525, 40686185, 203430925]

約数ペア:

[(1, 203430925), (5, 40686185), (17, 11966525), (25, 8137237), (73, 2786725), (79, 2575075), (83, 2450975), (85, 2393305), (365, 557345), (395, 515015), (415, 490195), (425, 478661), (1241, 163925), (1343, 151475), (1411, 144175), (1825, 111469), (1975, 103003), (2075, 98039), (5767, 35275), (6059, 33575), (6205, 32785), (6557, 31025), (6715, 30295), (7055, 28835)]