2651201840

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{21817}}^1$

素因数の和:21875

約数の個数: 120

約数和(自身を含む): 7402061952

約数和(自身を除く): 4750860112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 49, 56, 62, 70, 80, 98, 112, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 434, 490, 496, 560, 620, 784, 868, 980, 1085, 1240, 1519, 1736, 1960, 2170, 2480, 3038, 3472, 3920, 4340, 6076, 7595, 8680, 12152, 15190, 17360, 21817, 24304, 30380, 43634, 60760, 87268, 109085, 121520, 152719, 174536, 218170, 305438, 349072, 436340, 610876, 676327, 763595, 872680, 1069033, 1221752, 1352654, 1527190, 1745360, 2138066, 2443504, 2705308, 3054380, 3381635, 4276132, 4734289, 5345165, 5410616, 6108760, 6763270, 8552264, 9468578, 10690330, 10821232, 12217520, 13526540, 17104528, 18937156, 21380660, 23671445, 27053080, 33140023, 37874312, 42761320, 47342890, 54106160, 66280046, 75748624, 85522640, 94685780, 132560092, 165700115, 189371560, 265120184, 331400230, 378743120, 530240368, 662800460, 1325600920, 2651201840]

約数ペア:

[(1, 2651201840), (2, 1325600920), (4, 662800460), (5, 530240368), (7, 378743120), (8, 331400230), (10, 265120184), (14, 189371560), (16, 165700115), (20, 132560092), (28, 94685780), (31, 85522640), (35, 75748624), (40, 66280046), (49, 54106160), (56, 47342890), (62, 42761320), (70, 37874312), (80, 33140023), (98, 27053080), (112, 23671445), (124, 21380660), (140, 18937156), (155, 17104528), (196, 13526540), (217, 12217520), (245, 10821232), (248, 10690330), (280, 9468578), (310, 8552264), (392, 6763270), (434, 6108760), (490, 5410616), (496, 5345165), (560, 4734289), (620, 4276132), (784, 3381635), (868, 3054380), (980, 2705308), (1085, 2443504), (1240, 2138066), (1519, 1745360), (1736, 1527190), (1960, 1352654), (2170, 1221752), (2480, 1069033), (3038, 872680), (3472, 763595), (3920, 676327), (4340, 610876), (6076, 436340), (7595, 349072), (8680, 305438), (12152, 218170), (15190, 174536), (17360, 152719), (21817, 121520), (24304, 109085), (30380, 87268), (43634, 60760)]