4201780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:360

約数の個数: 48

約数和(自身を含む): 9797760

約数和(自身を除く): 5595980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 142, 220, 269, 284, 355, 538, 710, 781, 1076, 1345, 1420, 1562, 2690, 2959, 3124, 3905, 5380, 5918, 7810, 11836, 14795, 15620, 19099, 29590, 38198, 59180, 76396, 95495, 190990, 210089, 381980, 420178, 840356, 1050445, 2100890, 4201780]

約数ペア:

[(1, 4201780), (2, 2100890), (4, 1050445), (5, 840356), (10, 420178), (11, 381980), (20, 210089), (22, 190990), (44, 95495), (55, 76396), (71, 59180), (110, 38198), (142, 29590), (220, 19099), (269, 15620), (284, 14795), (355, 11836), (538, 7810), (710, 5918), (781, 5380), (1076, 3905), (1345, 3124), (1420, 2959), (1562, 2690)]