2647400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 96

約数和(自身を含む): 7380480

約数和(自身を除く): 4733080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 31, 35, 40, 50, 56, 61, 62, 70, 100, 122, 124, 140, 155, 175, 200, 217, 244, 248, 280, 305, 310, 350, 427, 434, 488, 610, 620, 700, 775, 854, 868, 1085, 1220, 1240, 1400, 1525, 1550, 1708, 1736, 1891, 2135, 2170, 2440, 3050, 3100, 3416, 3782, 4270, 4340, 5425, 6100, 6200, 7564, 8540, 8680, 9455, 10675, 10850, 12200, 13237, 15128, 17080, 18910, 21350, 21700, 26474, 37820, 42700, 43400, 47275, 52948, 66185, 75640, 85400, 94550, 105896, 132370, 189100, 264740, 330925, 378200, 529480, 661850, 1323700, 2647400]

約数ペア:

[(1, 2647400), (2, 1323700), (4, 661850), (5, 529480), (7, 378200), (8, 330925), (10, 264740), (14, 189100), (20, 132370), (25, 105896), (28, 94550), (31, 85400), (35, 75640), (40, 66185), (50, 52948), (56, 47275), (61, 43400), (62, 42700), (70, 37820), (100, 26474), (122, 21700), (124, 21350), (140, 18910), (155, 17080), (175, 15128), (200, 13237), (217, 12200), (244, 10850), (248, 10675), (280, 9455), (305, 8680), (310, 8540), (350, 7564), (427, 6200), (434, 6100), (488, 5425), (610, 4340), (620, 4270), (700, 3782), (775, 3416), (854, 3100), (868, 3050), (1085, 2440), (1220, 2170), (1240, 2135), (1400, 1891), (1525, 1736), (1550, 1708)]