310097360

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{449}}^1$

素因数の和:648

約数の個数: 80

約数和(自身を含む): 738234000

約数和(自身を除く): 428136640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 97, 178, 194, 356, 388, 445, 449, 485, 712, 776, 890, 898, 970, 1424, 1552, 1780, 1796, 1940, 2245, 3560, 3592, 3880, 4490, 7120, 7184, 7760, 8633, 8980, 17266, 17960, 34532, 35920, 39961, 43165, 43553, 69064, 79922, 86330, 87106, 138128, 159844, 172660, 174212, 199805, 217765, 319688, 345320, 348424, 399610, 435530, 639376, 690640, 696848, 799220, 871060, 1598440, 1742120, 3196880, 3484240, 3876217, 7752434, 15504868, 19381085, 31009736, 38762170, 62019472, 77524340, 155048680, 310097360]

約数ペア:

[(1, 310097360), (2, 155048680), (4, 77524340), (5, 62019472), (8, 38762170), (10, 31009736), (16, 19381085), (20, 15504868), (40, 7752434), (80, 3876217), (89, 3484240), (97, 3196880), (178, 1742120), (194, 1598440), (356, 871060), (388, 799220), (445, 696848), (449, 690640), (485, 639376), (712, 435530), (776, 399610), (890, 348424), (898, 345320), (970, 319688), (1424, 217765), (1552, 199805), (1780, 174212), (1796, 172660), (1940, 159844), (2245, 138128), (3560, 87106), (3592, 86330), (3880, 79922), (4490, 69064), (7120, 43553), (7184, 43165), (7760, 39961), (8633, 35920), (8980, 34532), (17266, 17960)]