67869940

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:472

約数の個数: 48

約数和(自身を含む): 145474560

約数和(自身を除く): 77604620

約数列:

[1, 2, 4, 5, 10, 20, 109, 163, 191, 218, 326, 382, 436, 545, 652, 764, 815, 955, 1090, 1630, 1910, 2180, 3260, 3820, 17767, 20819, 31133, 35534, 41638, 62266, 71068, 83276, 88835, 104095, 124532, 155665, 177670, 208190, 311330, 355340, 416380, 622660, 3393497, 6786994, 13573988, 16967485, 33934970, 67869940]

約数ペア:

[(1, 67869940), (2, 33934970), (4, 16967485), (5, 13573988), (10, 6786994), (20, 3393497), (109, 622660), (163, 416380), (191, 355340), (218, 311330), (326, 208190), (382, 177670), (436, 155665), (545, 124532), (652, 104095), (764, 88835), (815, 83276), (955, 71068), (1090, 62266), (1630, 41638), (1910, 35534), (2180, 31133), (3260, 20819), (3820, 17767)]