2492934520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{101}}^1\times {\mathrm{691}}^1$

素因数の和:869

約数の個数: 128

約数和(自身を含む): 6098457600

約数和(自身を除く): 3605523080

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 47, 76, 94, 95, 101, 152, 188, 190, 202, 235, 376, 380, 404, 470, 505, 691, 760, 808, 893, 940, 1010, 1382, 1786, 1880, 1919, 2020, 2764, 3455, 3572, 3838, 4040, 4465, 4747, 5528, 6910, 7144, 7676, 8930, 9494, 9595, 13129, 13820, 15352, 17860, 18988, 19190, 23735, 26258, 27640, 32477, 35720, 37976, 38380, 47470, 52516, 64954, 65645, 69791, 76760, 90193, 94940, 105032, 129908, 131290, 139582, 162385, 180386, 189880, 259816, 262580, 279164, 324770, 348955, 360772, 450965, 525160, 558328, 617063, 649540, 697910, 721544, 901930, 1234126, 1299080, 1326029, 1395820, 1803860, 2468252, 2652058, 2791640, 3085315, 3280177, 3607720, 4936504, 5304116, 6170630, 6560354, 6630145, 10608232, 12341260, 13120708, 13260290, 16400885, 24682520, 26241416, 26520580, 32801770, 53041160, 62323363, 65603540, 124646726, 131207080, 249293452, 311616815, 498586904, 623233630, 1246467260, 2492934520]

約数ペア:

[(1, 2492934520), (2, 1246467260), (4, 623233630), (5, 498586904), (8, 311616815), (10, 249293452), (19, 131207080), (20, 124646726), (38, 65603540), (40, 62323363), (47, 53041160), (76, 32801770), (94, 26520580), (95, 26241416), (101, 24682520), (152, 16400885), (188, 13260290), (190, 13120708), (202, 12341260), (235, 10608232), (376, 6630145), (380, 6560354), (404, 6170630), (470, 5304116), (505, 4936504), (691, 3607720), (760, 3280177), (808, 3085315), (893, 2791640), (940, 2652058), (1010, 2468252), (1382, 1803860), (1786, 1395820), (1880, 1326029), (1919, 1299080), (2020, 1234126), (2764, 901930), (3455, 721544), (3572, 697910), (3838, 649540), (4040, 617063), (4465, 558328), (4747, 525160), (5528, 450965), (6910, 360772), (7144, 348955), (7676, 324770), (8930, 279164), (9494, 262580), (9595, 259816), (13129, 189880), (13820, 180386), (15352, 162385), (17860, 139582), (18988, 131290), (19190, 129908), (23735, 105032), (26258, 94940), (27640, 90193), (32477, 76760), (35720, 69791), (37976, 65645), (38380, 64954), (47470, 52516)]