328157080

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1889}}^1$

素因数の和:2044

約数の個数: 64

約数和(自身を含む): 763408800

約数和(自身を除く): 435251720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 101, 172, 202, 215, 344, 404, 430, 505, 808, 860, 1010, 1720, 1889, 2020, 3778, 4040, 4343, 7556, 8686, 9445, 15112, 17372, 18890, 21715, 34744, 37780, 43430, 75560, 81227, 86860, 162454, 173720, 190789, 324908, 381578, 406135, 649816, 763156, 812270, 953945, 1526312, 1624540, 1907890, 3249080, 3815780, 7631560, 8203927, 16407854, 32815708, 41019635, 65631416, 82039270, 164078540, 328157080]

約数ペア:

[(1, 328157080), (2, 164078540), (4, 82039270), (5, 65631416), (8, 41019635), (10, 32815708), (20, 16407854), (40, 8203927), (43, 7631560), (86, 3815780), (101, 3249080), (172, 1907890), (202, 1624540), (215, 1526312), (344, 953945), (404, 812270), (430, 763156), (505, 649816), (808, 406135), (860, 381578), (1010, 324908), (1720, 190789), (1889, 173720), (2020, 162454), (3778, 86860), (4040, 81227), (4343, 75560), (7556, 43430), (8686, 37780), (9445, 34744), (15112, 21715), (17372, 18890)]