38428040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1933}}^1$

素因数の和:2022

約数の個数: 64

約数和(自身を含む): 100258560

約数和(自身を除く): 61830520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1933, 1988, 2485, 2840, 3866, 3976, 4970, 7732, 9665, 9940, 13531, 15464, 19330, 19880, 27062, 38660, 54124, 67655, 77320, 108248, 135310, 137243, 270620, 274486, 541240, 548972, 686215, 960701, 1097944, 1372430, 1921402, 2744860, 3842804, 4803505, 5489720, 7685608, 9607010, 19214020, 38428040]

約数ペア:

[(1, 38428040), (2, 19214020), (4, 9607010), (5, 7685608), (7, 5489720), (8, 4803505), (10, 3842804), (14, 2744860), (20, 1921402), (28, 1372430), (35, 1097944), (40, 960701), (56, 686215), (70, 548972), (71, 541240), (140, 274486), (142, 270620), (280, 137243), (284, 135310), (355, 108248), (497, 77320), (568, 67655), (710, 54124), (994, 38660), (1420, 27062), (1933, 19880), (1988, 19330), (2485, 15464), (2840, 13531), (3866, 9940), (3976, 9665), (4970, 7732)]