207816680

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2819}}^1$

素因数の和:2946

約数の個数: 64

約数和(自身を含む): 497448000

約数和(自身を除く): 289631320

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 485, 760, 776, 970, 1843, 1940, 2819, 3686, 3880, 5638, 7372, 9215, 11276, 14095, 14744, 18430, 22552, 28190, 36860, 53561, 56380, 73720, 107122, 112760, 214244, 267805, 273443, 428488, 535610, 546886, 1071220, 1093772, 1367215, 2142440, 2187544, 2734430, 5195417, 5468860, 10390834, 10937720, 20781668, 25977085, 41563336, 51954170, 103908340, 207816680]

約数ペア:

[(1, 207816680), (2, 103908340), (4, 51954170), (5, 41563336), (8, 25977085), (10, 20781668), (19, 10937720), (20, 10390834), (38, 5468860), (40, 5195417), (76, 2734430), (95, 2187544), (97, 2142440), (152, 1367215), (190, 1093772), (194, 1071220), (380, 546886), (388, 535610), (485, 428488), (760, 273443), (776, 267805), (970, 214244), (1843, 112760), (1940, 107122), (2819, 73720), (3686, 56380), (3880, 53561), (5638, 36860), (7372, 28190), (9215, 22552), (11276, 18430), (14095, 14744)]