3819140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{397}}^1$

素因数の和:456

約数の個数: 48

約数和(自身を含む): 8892912

約数和(自身を除く): 5073772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 397, 481, 740, 794, 962, 1588, 1924, 1985, 2405, 3970, 4810, 5161, 7940, 9620, 10322, 14689, 20644, 25805, 29378, 51610, 58756, 73445, 103220, 146890, 190957, 293780, 381914, 763828, 954785, 1909570, 3819140]

約数ペア:

[(1, 3819140), (2, 1909570), (4, 954785), (5, 763828), (10, 381914), (13, 293780), (20, 190957), (26, 146890), (37, 103220), (52, 73445), (65, 58756), (74, 51610), (130, 29378), (148, 25805), (185, 20644), (260, 14689), (370, 10322), (397, 9620), (481, 7940), (740, 5161), (794, 4810), (962, 3970), (1588, 2405), (1924, 1985)]