28985460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{9859}}^1$

素因数の和:9885

約数の個数: 72

約数和(自身を含む): 94419360

約数和(自身を除く): 65433900

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 9859, 19718, 29577, 39436, 49295, 59154, 69013, 98590, 118308, 138026, 147885, 197180, 207039, 276052, 295770, 345065, 414078, 483091, 591540, 690130, 828156, 966182, 1035195, 1380260, 1449273, 1932364, 2070390, 2415455, 2898546, 4140780, 4830910, 5797092, 7246365, 9661820, 14492730, 28985460]

約数ペア:

[(1, 28985460), (2, 14492730), (3, 9661820), (4, 7246365), (5, 5797092), (6, 4830910), (7, 4140780), (10, 2898546), (12, 2415455), (14, 2070390), (15, 1932364), (20, 1449273), (21, 1380260), (28, 1035195), (30, 966182), (35, 828156), (42, 690130), (49, 591540), (60, 483091), (70, 414078), (84, 345065), (98, 295770), (105, 276052), (140, 207039), (147, 197180), (196, 147885), (210, 138026), (245, 118308), (294, 98590), (420, 69013), (490, 59154), (588, 49295), (735, 39436), (980, 29577), (1470, 19718), (2940, 9859)]