404133040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{2741}}^1$

素因数の和:2870

約数の個数: 80

約数和(自身を含む): 999623520

約数和(自身を除く): 595490480

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, 970, 1520, 1552, 1843, 1940, 2741, 3686, 3880, 5482, 7372, 7760, 9215, 10964, 13705, 14744, 18430, 21928, 27410, 29488, 36860, 43856, 52079, 54820, 73720, 104158, 109640, 147440, 208316, 219280, 260395, 265877, 416632, 520790, 531754, 833264, 1041580, 1063508, 1329385, 2083160, 2127016, 2658770, 4166320, 4254032, 5051663, 5317540, 10103326, 10635080, 20206652, 21270160, 25258315, 40413304, 50516630, 80826608, 101033260, 202066520, 404133040]

約数ペア:

[(1, 404133040), (2, 202066520), (4, 101033260), (5, 80826608), (8, 50516630), (10, 40413304), (16, 25258315), (19, 21270160), (20, 20206652), (38, 10635080), (40, 10103326), (76, 5317540), (80, 5051663), (95, 4254032), (97, 4166320), (152, 2658770), (190, 2127016), (194, 2083160), (304, 1329385), (380, 1063508), (388, 1041580), (485, 833264), (760, 531754), (776, 520790), (970, 416632), (1520, 265877), (1552, 260395), (1843, 219280), (1940, 208316), (2741, 147440), (3686, 109640), (3880, 104158), (5482, 73720), (7372, 54820), (7760, 52079), (9215, 43856), (10964, 36860), (13705, 29488), (14744, 27410), (18430, 21928)]