28740340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1453}}^1$

素因数の和:1528

約数の個数: 48

約数和(自身を含む): 64487808

約数和(自身を除く): 35747468

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 172, 215, 230, 430, 460, 860, 989, 1453, 1978, 2906, 3956, 4945, 5812, 7265, 9890, 14530, 19780, 29060, 33419, 62479, 66838, 124958, 133676, 167095, 249916, 312395, 334190, 624790, 668380, 1249580, 1437017, 2874034, 5748068, 7185085, 14370170, 28740340]

約数ペア:

[(1, 28740340), (2, 14370170), (4, 7185085), (5, 5748068), (10, 2874034), (20, 1437017), (23, 1249580), (43, 668380), (46, 624790), (86, 334190), (92, 312395), (115, 249916), (172, 167095), (215, 133676), (230, 124958), (430, 66838), (460, 62479), (860, 33419), (989, 29060), (1453, 19780), (1978, 14530), (2906, 9890), (3956, 7265), (4945, 5812)]