137278940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{233}}^1\times {\mathrm{331}}^1$

素因数の和:662

約数の個数: 48

約数和(自身を含む): 293660640

約数和(自身を除く): 156381700

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 233, 331, 356, 445, 466, 662, 890, 932, 1165, 1324, 1655, 1780, 2330, 3310, 4660, 6620, 20737, 29459, 41474, 58918, 77123, 82948, 103685, 117836, 147295, 154246, 207370, 294590, 308492, 385615, 414740, 589180, 771230, 1542460, 6863947, 13727894, 27455788, 34319735, 68639470, 137278940]

約数ペア:

[(1, 137278940), (2, 68639470), (4, 34319735), (5, 27455788), (10, 13727894), (20, 6863947), (89, 1542460), (178, 771230), (233, 589180), (331, 414740), (356, 385615), (445, 308492), (466, 294590), (662, 207370), (890, 154246), (932, 147295), (1165, 117836), (1324, 103685), (1655, 82948), (1780, 77123), (2330, 58918), (3310, 41474), (4660, 29459), (6620, 20737)]