67681940

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1913}}^1$

素因数の和:2012

約数の個数: 48

約数和(自身を含む): 149521680

約数和(自身を除く): 81839740

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 61, 116, 122, 145, 244, 290, 305, 580, 610, 1220, 1769, 1913, 3538, 3826, 7076, 7652, 8845, 9565, 17690, 19130, 35380, 38260, 55477, 110954, 116693, 221908, 233386, 277385, 466772, 554770, 583465, 1109540, 1166930, 2333860, 3384097, 6768194, 13536388, 16920485, 33840970, 67681940]

約数ペア:

[(1, 67681940), (2, 33840970), (4, 16920485), (5, 13536388), (10, 6768194), (20, 3384097), (29, 2333860), (58, 1166930), (61, 1109540), (116, 583465), (122, 554770), (145, 466772), (244, 277385), (290, 233386), (305, 221908), (580, 116693), (610, 110954), (1220, 55477), (1769, 38260), (1913, 35380), (3538, 19130), (3826, 17690), (7076, 9565), (7652, 8845)]