13237000

素因数分解:

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

素因数の和:120

約数の個数: 128

約数和(自身を含む): 37140480

約数和(自身を除く): 23903480

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, 125, 140, 155, 175, 200, 217, 244, 248, 250, 280, 305, 310, 350, 427, 434, 488, 500, 610, 620, 700, 775, 854, 868, 875, 1000, 1085, 1220, 1240, 1400, 1525, 1550, 1708, 1736, 1750, 1891, 2135, 2170, 2440, 3050, 3100, 3416, 3500, 3782, 3875, 4270, 4340, 5425, 6100, 6200, 7000, 7564, 7625, 7750, 8540, 8680, 9455, 10675, 10850, 12200, 13237, 15128, 15250, 15500, 17080, 18910, 21350, 21700, 26474, 27125, 30500, 31000, 37820, 42700, 43400, 47275, 52948, 53375, 54250, 61000, 66185, 75640, 85400, 94550, 105896, 106750, 108500, 132370, 189100, 213500, 217000, 236375, 264740, 330925, 378200, 427000, 472750, 529480, 661850, 945500, 1323700, 1654625, 1891000, 2647400, 3309250, 6618500, 13237000]

約数ペア:

[(1, 13237000), (2, 6618500), (4, 3309250), (5, 2647400), (7, 1891000), (8, 1654625), (10, 1323700), (14, 945500), (20, 661850), (25, 529480), (28, 472750), (31, 427000), (35, 378200), (40, 330925), (50, 264740), (56, 236375), (61, 217000), (62, 213500), (70, 189100), (100, 132370), (122, 108500), (124, 106750), (125, 105896), (140, 94550), (155, 85400), (175, 75640), (200, 66185), (217, 61000), (244, 54250), (248, 53375), (250, 52948), (280, 47275), (305, 43400), (310, 42700), (350, 37820), (427, 31000), (434, 30500), (488, 27125), (500, 26474), (610, 21700), (620, 21350), (700, 18910), (775, 17080), (854, 15500), (868, 15250), (875, 15128), (1000, 13237), (1085, 12200), (1220, 10850), (1240, 10675), (1400, 9455), (1525, 8680), (1550, 8540), (1708, 7750), (1736, 7625), (1750, 7564), (1891, 7000), (2135, 6200), (2170, 6100), (2440, 5425), (3050, 4340), (3100, 4270), (3416, 3875), (3500, 3782)]