386479280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{1129}}^1$

素因数の和:1542

約数の個数: 80

約数和(自身を含む): 983642400

約数和(自身を除く): 597163120

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 389, 440, 778, 880, 1129, 1556, 1945, 2258, 3112, 3890, 4279, 4516, 5645, 6224, 7780, 8558, 9032, 11290, 12419, 15560, 17116, 18064, 21395, 22580, 24838, 31120, 34232, 42790, 45160, 49676, 62095, 68464, 85580, 90320, 99352, 124190, 171160, 198704, 248380, 342320, 439181, 496760, 878362, 993520, 1756724, 2195905, 3513448, 4391810, 4830991, 7026896, 8783620, 9661982, 17567240, 19323964, 24154955, 35134480, 38647928, 48309910, 77295856, 96619820, 193239640, 386479280]

約数ペア:

[(1, 386479280), (2, 193239640), (4, 96619820), (5, 77295856), (8, 48309910), (10, 38647928), (11, 35134480), (16, 24154955), (20, 19323964), (22, 17567240), (40, 9661982), (44, 8783620), (55, 7026896), (80, 4830991), (88, 4391810), (110, 3513448), (176, 2195905), (220, 1756724), (389, 993520), (440, 878362), (778, 496760), (880, 439181), (1129, 342320), (1556, 248380), (1945, 198704), (2258, 171160), (3112, 124190), (3890, 99352), (4279, 90320), (4516, 85580), (5645, 68464), (6224, 62095), (7780, 49676), (8558, 45160), (9032, 42790), (11290, 34232), (12419, 31120), (15560, 24838), (17116, 22580), (18064, 21395)]