397152250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:749

約数の個数: 96

約数和(自身を含む): 861456960

約数和(自身を除く): 464304710

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 110, 121, 125, 190, 209, 242, 250, 275, 418, 475, 550, 605, 691, 950, 1045, 1210, 1375, 1382, 2090, 2299, 2375, 2750, 3025, 3455, 4598, 4750, 5225, 6050, 6910, 7601, 10450, 11495, 13129, 15125, 15202, 17275, 22990, 26125, 26258, 30250, 34550, 38005, 52250, 57475, 65645, 76010, 83611, 86375, 114950, 131290, 144419, 167222, 172750, 190025, 287375, 288838, 328225, 380050, 418055, 574750, 656450, 722095, 836110, 950125, 1444190, 1588609, 1641125, 1900250, 2090275, 3177218, 3282250, 3610475, 4180550, 7220950, 7943045, 10451375, 15886090, 18052375, 20902750, 36104750, 39715225, 79430450, 198576125, 397152250]

約数ペア:

[(1, 397152250), (2, 198576125), (5, 79430450), (10, 39715225), (11, 36104750), (19, 20902750), (22, 18052375), (25, 15886090), (38, 10451375), (50, 7943045), (55, 7220950), (95, 4180550), (110, 3610475), (121, 3282250), (125, 3177218), (190, 2090275), (209, 1900250), (242, 1641125), (250, 1588609), (275, 1444190), (418, 950125), (475, 836110), (550, 722095), (605, 656450), (691, 574750), (950, 418055), (1045, 380050), (1210, 328225), (1375, 288838), (1382, 287375), (2090, 190025), (2299, 172750), (2375, 167222), (2750, 144419), (3025, 131290), (3455, 114950), (4598, 86375), (4750, 83611), (5225, 76010), (6050, 65645), (6910, 57475), (7601, 52250), (10450, 38005), (11495, 34550), (13129, 30250), (15125, 26258), (15202, 26125), (17275, 22990)]