490626640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{30211}}^1$

素因数の和:30260

約数の個数: 80

約数和(自身を含む): 1348663680

約数和(自身を除く): 858037040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 35, 40, 56, 58, 70, 80, 112, 116, 140, 145, 203, 232, 280, 290, 406, 464, 560, 580, 812, 1015, 1160, 1624, 2030, 2320, 3248, 4060, 8120, 16240, 30211, 60422, 120844, 151055, 211477, 241688, 302110, 422954, 483376, 604220, 845908, 876119, 1057385, 1208440, 1691816, 1752238, 2114770, 2416880, 3383632, 3504476, 4229540, 4380595, 6132833, 7008952, 8459080, 8761190, 12265666, 14017904, 16918160, 17522380, 24531332, 30664165, 35044760, 49062664, 61328330, 70089520, 98125328, 122656660, 245313320, 490626640]

約数ペア:

[(1, 490626640), (2, 245313320), (4, 122656660), (5, 98125328), (7, 70089520), (8, 61328330), (10, 49062664), (14, 35044760), (16, 30664165), (20, 24531332), (28, 17522380), (29, 16918160), (35, 14017904), (40, 12265666), (56, 8761190), (58, 8459080), (70, 7008952), (80, 6132833), (112, 4380595), (116, 4229540), (140, 3504476), (145, 3383632), (203, 2416880), (232, 2114770), (280, 1752238), (290, 1691816), (406, 1208440), (464, 1057385), (560, 876119), (580, 845908), (812, 604220), (1015, 483376), (1160, 422954), (1624, 302110), (2030, 241688), (2320, 211477), (3248, 151055), (4060, 120844), (8120, 60422), (16240, 30211)]