7813180

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{709}}^1$

素因数の和:766

約数の個数: 48

約数和(自身を含む): 17892000

約数和(自身を除く): 10078820

約数列:

[1, 2, 4, 5, 10, 19, 20, 29, 38, 58, 76, 95, 116, 145, 190, 290, 380, 551, 580, 709, 1102, 1418, 2204, 2755, 2836, 3545, 5510, 7090, 11020, 13471, 14180, 20561, 26942, 41122, 53884, 67355, 82244, 102805, 134710, 205610, 269420, 390659, 411220, 781318, 1562636, 1953295, 3906590, 7813180]

約数ペア:

[(1, 7813180), (2, 3906590), (4, 1953295), (5, 1562636), (10, 781318), (19, 411220), (20, 390659), (29, 269420), (38, 205610), (58, 134710), (76, 102805), (95, 82244), (116, 67355), (145, 53884), (190, 41122), (290, 26942), (380, 20561), (551, 14180), (580, 13471), (709, 11020), (1102, 7090), (1418, 5510), (2204, 3545), (2755, 2836)]