306688760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{15427}}^1$

素因数の和:15516

約数の個数: 64

約数和(自身を含む): 799787520

約数和(自身を除く): 493098760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 140, 142, 280, 284, 355, 497, 568, 710, 994, 1420, 1988, 2485, 2840, 3976, 4970, 9940, 15427, 19880, 30854, 61708, 77135, 107989, 123416, 154270, 215978, 308540, 431956, 539945, 617080, 863912, 1079890, 1095317, 2159780, 2190634, 4319560, 4381268, 5476585, 7667219, 8762536, 10953170, 15334438, 21906340, 30668876, 38336095, 43812680, 61337752, 76672190, 153344380, 306688760]

約数ペア:

[(1, 306688760), (2, 153344380), (4, 76672190), (5, 61337752), (7, 43812680), (8, 38336095), (10, 30668876), (14, 21906340), (20, 15334438), (28, 10953170), (35, 8762536), (40, 7667219), (56, 5476585), (70, 4381268), (71, 4319560), (140, 2190634), (142, 2159780), (280, 1095317), (284, 1079890), (355, 863912), (497, 617080), (568, 539945), (710, 431956), (994, 308540), (1420, 215978), (1988, 154270), (2485, 123416), (2840, 107989), (3976, 77135), (4970, 61708), (9940, 30854), (15427, 19880)]