2851940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1567}}^1$

素因数の和:1596

約数の個数: 48

約数和(自身を含む): 7375872

約数和(自身を除く): 4523932

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, 1567, 1820, 3134, 6268, 7835, 10969, 15670, 20371, 21938, 31340, 40742, 43876, 54845, 81484, 101855, 109690, 142597, 203710, 219380, 285194, 407420, 570388, 712985, 1425970, 2851940]

約数ペア:

[(1, 2851940), (2, 1425970), (4, 712985), (5, 570388), (7, 407420), (10, 285194), (13, 219380), (14, 203710), (20, 142597), (26, 109690), (28, 101855), (35, 81484), (52, 54845), (65, 43876), (70, 40742), (91, 31340), (130, 21938), (140, 20371), (182, 15670), (260, 10969), (364, 7835), (455, 6268), (910, 3134), (1567, 1820)]