290976335

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^2$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 419380416

約数和(自身を除く): 128404081

約数列:

[1, 5, 13, 17, 23, 65, 85, 107, 115, 221, 299, 391, 535, 1105, 1391, 1495, 1819, 1955, 2461, 5083, 6955, 9095, 11449, 12305, 23647, 25415, 31993, 41837, 57245, 118235, 148837, 159965, 194633, 209185, 263327, 543881, 744185, 973165, 1316635, 2530229, 2719405, 3423251, 4476559, 12651145, 17116255, 22382795, 58195267, 290976335]

約数ペア:

[(1, 290976335), (5, 58195267), (13, 22382795), (17, 17116255), (23, 12651145), (65, 4476559), (85, 3423251), (107, 2719405), (115, 2530229), (221, 1316635), (299, 973165), (391, 744185), (535, 543881), (1105, 263327), (1391, 209185), (1495, 194633), (1819, 159965), (1955, 148837), (2461, 118235), (5083, 57245), (6955, 41837), (9095, 31993), (11449, 25415), (12305, 23647)]