2018100

素因数分解:

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

素因数の和:86

約数の個数: 108

約数和(自身を含む): 6895392

約数和(自身を除く): 4877292

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 31, 35, 42, 50, 60, 62, 70, 75, 84, 93, 100, 105, 124, 140, 150, 155, 175, 186, 210, 217, 300, 310, 350, 372, 420, 434, 465, 525, 620, 651, 700, 775, 868, 930, 961, 1050, 1085, 1302, 1550, 1860, 1922, 2100, 2170, 2325, 2604, 2883, 3100, 3255, 3844, 4340, 4650, 4805, 5425, 5766, 6510, 6727, 9300, 9610, 10850, 11532, 13020, 13454, 14415, 16275, 19220, 20181, 21700, 24025, 26908, 28830, 32550, 33635, 40362, 48050, 57660, 65100, 67270, 72075, 80724, 96100, 100905, 134540, 144150, 168175, 201810, 288300, 336350, 403620, 504525, 672700, 1009050, 2018100]

約数ペア:

[(1, 2018100), (2, 1009050), (3, 672700), (4, 504525), (5, 403620), (6, 336350), (7, 288300), (10, 201810), (12, 168175), (14, 144150), (15, 134540), (20, 100905), (21, 96100), (25, 80724), (28, 72075), (30, 67270), (31, 65100), (35, 57660), (42, 48050), (50, 40362), (60, 33635), (62, 32550), (70, 28830), (75, 26908), (84, 24025), (93, 21700), (100, 20181), (105, 19220), (124, 16275), (140, 14415), (150, 13454), (155, 13020), (175, 11532), (186, 10850), (210, 9610), (217, 9300), (300, 6727), (310, 6510), (350, 5766), (372, 5425), (420, 4805), (434, 4650), (465, 4340), (525, 3844), (620, 3255), (651, 3100), (700, 2883), (775, 2604), (868, 2325), (930, 2170), (961, 2100), (1050, 1922), (1085, 1860), (1302, 1550)]