1118780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{331}}^1$

素因数の和:366

約数の個数: 36

約数和(自身を含む): 2551752

約数和(自身を除く): 1432972

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 331, 338, 662, 676, 845, 1324, 1655, 1690, 3310, 3380, 4303, 6620, 8606, 17212, 21515, 43030, 55939, 86060, 111878, 223756, 279695, 559390, 1118780]

約数ペア:

[(1, 1118780), (2, 559390), (4, 279695), (5, 223756), (10, 111878), (13, 86060), (20, 55939), (26, 43030), (52, 21515), (65, 17212), (130, 8606), (169, 6620), (260, 4303), (331, 3380), (338, 3310), (662, 1690), (676, 1655), (845, 1324)]