129304880

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{877}}^1$

素因数の和:1006

約数の個数: 80

約数和(自身を含む): 320083680

約数和(自身を除く): 190778800

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 304, 380, 388, 485, 760, 776, 877, 970, 1520, 1552, 1754, 1843, 1940, 3508, 3686, 3880, 4385, 7016, 7372, 7760, 8770, 9215, 14032, 14744, 16663, 17540, 18430, 29488, 33326, 35080, 36860, 66652, 70160, 73720, 83315, 85069, 133304, 147440, 166630, 170138, 266608, 333260, 340276, 425345, 666520, 680552, 850690, 1333040, 1361104, 1616311, 1701380, 3232622, 3402760, 6465244, 6805520, 8081555, 12930488, 16163110, 25860976, 32326220, 64652440, 129304880]

約数ペア:

[(1, 129304880), (2, 64652440), (4, 32326220), (5, 25860976), (8, 16163110), (10, 12930488), (16, 8081555), (19, 6805520), (20, 6465244), (38, 3402760), (40, 3232622), (76, 1701380), (80, 1616311), (95, 1361104), (97, 1333040), (152, 850690), (190, 680552), (194, 666520), (304, 425345), (380, 340276), (388, 333260), (485, 266608), (760, 170138), (776, 166630), (877, 147440), (970, 133304), (1520, 85069), (1552, 83315), (1754, 73720), (1843, 70160), (1940, 66652), (3508, 36860), (3686, 35080), (3880, 33326), (4385, 29488), (7016, 18430), (7372, 17540), (7760, 16663), (8770, 14744), (9215, 14032)]