203410390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:661

約数の個数: 64

約数和(自身を含む): 407462400

約数和(自身を除く): 204052010

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 89, 95, 115, 178, 190, 230, 437, 445, 523, 874, 890, 1046, 1691, 2047, 2185, 2615, 3382, 4094, 4370, 5230, 8455, 9937, 10235, 12029, 16910, 19874, 20470, 24058, 38893, 46547, 49685, 60145, 77786, 93094, 99370, 120290, 194465, 228551, 232735, 388930, 457102, 465470, 884393, 1070581, 1142755, 1768786, 2141162, 2285510, 4421965, 5352905, 8843930, 10705810, 20341039, 40682078, 101705195, 203410390]

約数ペア:

[(1, 203410390), (2, 101705195), (5, 40682078), (10, 20341039), (19, 10705810), (23, 8843930), (38, 5352905), (46, 4421965), (89, 2285510), (95, 2141162), (115, 1768786), (178, 1142755), (190, 1070581), (230, 884393), (437, 465470), (445, 457102), (523, 388930), (874, 232735), (890, 228551), (1046, 194465), (1691, 120290), (2047, 99370), (2185, 93094), (2615, 77786), (3382, 60145), (4094, 49685), (4370, 46547), (5230, 38893), (8455, 24058), (9937, 20470), (10235, 19874), (12029, 16910)]