4970420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2731}}^1$

素因数の和:2760

約数の個数: 48

約数和(自身を含む): 12851328

約数和(自身を除く): 7880908

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 2731, 5462, 10924, 13655, 19117, 27310, 35503, 38234, 54620, 71006, 76468, 95585, 142012, 177515, 191170, 248521, 355030, 382340, 497042, 710060, 994084, 1242605, 2485210, 4970420]

約数ペア:

[(1, 4970420), (2, 2485210), (4, 1242605), (5, 994084), (7, 710060), (10, 497042), (13, 382340), (14, 355030), (20, 248521), (26, 191170), (28, 177515), (35, 142012), (52, 95585), (65, 76468), (70, 71006), (91, 54620), (130, 38234), (140, 35503), (182, 27310), (260, 19117), (364, 13655), (455, 10924), (910, 5462), (1820, 2731)]