43979000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:250

約数の個数: 128

約数和(自身を含む): 117936000

約数和(自身を除く): 73957000

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 85, 100, 104, 125, 130, 136, 170, 199, 200, 221, 250, 260, 325, 340, 398, 425, 442, 500, 520, 650, 680, 796, 850, 884, 995, 1000, 1105, 1300, 1592, 1625, 1700, 1768, 1990, 2125, 2210, 2587, 2600, 3250, 3383, 3400, 3980, 4250, 4420, 4975, 5174, 5525, 6500, 6766, 7960, 8500, 8840, 9950, 10348, 11050, 12935, 13000, 13532, 16915, 17000, 19900, 20696, 22100, 24875, 25870, 27064, 27625, 33830, 39800, 43979, 44200, 49750, 51740, 55250, 64675, 67660, 84575, 87958, 99500, 103480, 110500, 129350, 135320, 169150, 175916, 199000, 219895, 221000, 258700, 323375, 338300, 351832, 422875, 439790, 517400, 646750, 676600, 845750, 879580, 1099475, 1293500, 1691500, 1759160, 2198950, 2587000, 3383000, 4397900, 5497375, 8795800, 10994750, 21989500, 43979000]

約数ペア:

[(1, 43979000), (2, 21989500), (4, 10994750), (5, 8795800), (8, 5497375), (10, 4397900), (13, 3383000), (17, 2587000), (20, 2198950), (25, 1759160), (26, 1691500), (34, 1293500), (40, 1099475), (50, 879580), (52, 845750), (65, 676600), (68, 646750), (85, 517400), (100, 439790), (104, 422875), (125, 351832), (130, 338300), (136, 323375), (170, 258700), (199, 221000), (200, 219895), (221, 199000), (250, 175916), (260, 169150), (325, 135320), (340, 129350), (398, 110500), (425, 103480), (442, 99500), (500, 87958), (520, 84575), (650, 67660), (680, 64675), (796, 55250), (850, 51740), (884, 49750), (995, 44200), (1000, 43979), (1105, 39800), (1300, 33830), (1592, 27625), (1625, 27064), (1700, 25870), (1768, 24875), (1990, 22100), (2125, 20696), (2210, 19900), (2587, 17000), (2600, 16915), (3250, 13532), (3383, 13000), (3400, 12935), (3980, 11050), (4250, 10348), (4420, 9950), (4975, 8840), (5174, 8500), (5525, 7960), (6500, 6766)]