492057980

素因数分解:

$2^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{311}}^1\times {\mathrm{331}}^1$

素因数の和:890

約数の個数: 48

約数和(自身を含む): 1044126720

約数和(自身を除く): 552068740

約数列:

[1, 2, 4, 5, 10, 20, 239, 311, 331, 478, 622, 662, 956, 1195, 1244, 1324, 1555, 1655, 2390, 3110, 3310, 4780, 6220, 6620, 74329, 79109, 102941, 148658, 158218, 205882, 297316, 316436, 371645, 395545, 411764, 514705, 743290, 791090, 1029410, 1486580, 1582180, 2058820, 24602899, 49205798, 98411596, 123014495, 246028990, 492057980]

約数ペア:

[(1, 492057980), (2, 246028990), (4, 123014495), (5, 98411596), (10, 49205798), (20, 24602899), (239, 2058820), (311, 1582180), (331, 1486580), (478, 1029410), (622, 791090), (662, 743290), (956, 514705), (1195, 411764), (1244, 395545), (1324, 371645), (1555, 316436), (1655, 297316), (2390, 205882), (3110, 158218), (3310, 148658), (4780, 102941), (6220, 79109), (6620, 74329)]