490207905

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:687

約数の個数: 72

約数和(自身を含む): 940755816

約数和(自身を除く): 450547911

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 121, 165, 197, 363, 457, 495, 591, 605, 985, 1089, 1371, 1773, 1815, 2167, 2285, 2955, 4113, 5027, 5445, 6501, 6855, 8865, 10835, 15081, 19503, 20565, 23837, 25135, 32505, 45243, 55297, 71511, 75405, 90029, 97515, 119185, 165891, 214533, 226215, 270087, 276485, 357555, 450145, 497673, 810261, 829455, 990319, 1072665, 1350435, 2488365, 2970957, 4051305, 4951595, 8912871, 10893509, 14854785, 32680527, 44564355, 54467545, 98041581, 163402635, 490207905]

約数ペア:

[(1, 490207905), (3, 163402635), (5, 98041581), (9, 54467545), (11, 44564355), (15, 32680527), (33, 14854785), (45, 10893509), (55, 8912871), (99, 4951595), (121, 4051305), (165, 2970957), (197, 2488365), (363, 1350435), (457, 1072665), (495, 990319), (591, 829455), (605, 810261), (985, 497673), (1089, 450145), (1371, 357555), (1773, 276485), (1815, 270087), (2167, 226215), (2285, 214533), (2955, 165891), (4113, 119185), (5027, 97515), (5445, 90029), (6501, 75405), (6855, 71511), (8865, 55297), (10835, 45243), (15081, 32505), (19503, 25135), (20565, 23837)]