820590228

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{479}}^1\times {\mathrm{2069}}^1$

素因数の和:2581

約数の個数: 72

約数和(自身を含む): 2170022400

約数和(自身を除く): 1349432172

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 138, 207, 276, 414, 479, 828, 958, 1437, 1916, 2069, 2874, 4138, 4311, 5748, 6207, 8276, 8622, 11017, 12414, 17244, 18621, 22034, 24828, 33051, 37242, 44068, 47587, 66102, 74484, 95174, 99153, 132204, 142761, 190348, 198306, 285522, 396612, 428283, 571044, 856566, 991051, 1713132, 1982102, 2973153, 3964204, 5946306, 8919459, 11892612, 17838918, 22794173, 35677836, 45588346, 68382519, 91176692, 136765038, 205147557, 273530076, 410295114, 820590228]

約数ペア:

[(1, 820590228), (2, 410295114), (3, 273530076), (4, 205147557), (6, 136765038), (9, 91176692), (12, 68382519), (18, 45588346), (23, 35677836), (36, 22794173), (46, 17838918), (69, 11892612), (92, 8919459), (138, 5946306), (207, 3964204), (276, 2973153), (414, 1982102), (479, 1713132), (828, 991051), (958, 856566), (1437, 571044), (1916, 428283), (2069, 396612), (2874, 285522), (4138, 198306), (4311, 190348), (5748, 142761), (6207, 132204), (8276, 99153), (8622, 95174), (11017, 74484), (12414, 66102), (17244, 47587), (18621, 44068), (22034, 37242), (24828, 33051)]