121577660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1249}}^1$

素因数の和:1446

約数の個数: 48

約数和(自身を含む): 265440000

約数和(自身を除く): 143862340

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 157, 310, 314, 620, 628, 785, 1249, 1570, 2498, 3140, 4867, 4996, 6245, 9734, 12490, 19468, 24335, 24980, 38719, 48670, 77438, 97340, 154876, 193595, 196093, 387190, 392186, 774380, 784372, 980465, 1960930, 3921860, 6078883, 12157766, 24315532, 30394415, 60788830, 121577660]

約数ペア:

[(1, 121577660), (2, 60788830), (4, 30394415), (5, 24315532), (10, 12157766), (20, 6078883), (31, 3921860), (62, 1960930), (124, 980465), (155, 784372), (157, 774380), (310, 392186), (314, 387190), (620, 196093), (628, 193595), (785, 154876), (1249, 97340), (1570, 77438), (2498, 48670), (3140, 38719), (4867, 24980), (4996, 24335), (6245, 19468), (9734, 12490)]