201422740

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{1709}}^1$

素因数の和:1872

約数の個数: 48

約数和(自身を含む): 434367360

約数和(自身を除く): 232944620

約数列:

[1, 2, 4, 5, 10, 20, 71, 83, 142, 166, 284, 332, 355, 415, 710, 830, 1420, 1660, 1709, 3418, 5893, 6836, 8545, 11786, 17090, 23572, 29465, 34180, 58930, 117860, 121339, 141847, 242678, 283694, 485356, 567388, 606695, 709235, 1213390, 1418470, 2426780, 2836940, 10071137, 20142274, 40284548, 50355685, 100711370, 201422740]

約数ペア:

[(1, 201422740), (2, 100711370), (4, 50355685), (5, 40284548), (10, 20142274), (20, 10071137), (71, 2836940), (83, 2426780), (142, 1418470), (166, 1213390), (284, 709235), (332, 606695), (355, 567388), (415, 485356), (710, 283694), (830, 242678), (1420, 141847), (1660, 121339), (1709, 117860), (3418, 58930), (5893, 34180), (6836, 29465), (8545, 23572), (11786, 17090)]