245705625

素因数分解:

$3^2\times 5^4\times {\mathrm{11}}^2\times {\mathrm{19}}^2$

素因数の和:86

約数の個数: 135

約数和(自身を含む): 514482969

約数和(自身を除く): 268777344

約数列:

[1, 3, 5, 9, 11, 15, 19, 25, 33, 45, 55, 57, 75, 95, 99, 121, 125, 165, 171, 209, 225, 275, 285, 361, 363, 375, 475, 495, 605, 625, 627, 825, 855, 1045, 1083, 1089, 1125, 1375, 1425, 1805, 1815, 1875, 1881, 2299, 2375, 2475, 3025, 3135, 3249, 3971, 4125, 4275, 5225, 5415, 5445, 5625, 6875, 6897, 7125, 9025, 9075, 9405, 11495, 11875, 11913, 12375, 15125, 15675, 16245, 19855, 20625, 20691, 21375, 26125, 27075, 27225, 34485, 35625, 35739, 43681, 45125, 45375, 47025, 57475, 59565, 61875, 75625, 78375, 81225, 99275, 103455, 106875, 130625, 131043, 135375, 136125, 172425, 178695, 218405, 225625, 226875, 235125, 287375, 297825, 391875, 393129, 406125, 496375, 517275, 655215, 676875, 680625, 862125, 893475, 1092025, 1175625, 1436875, 1489125, 1965645, 2030625, 2481875, 2586375, 3276075, 4310625, 4467375, 5460125, 7445625, 9828225, 12931875, 16380375, 22336875, 27300625, 49141125, 81901875, 245705625]

約数ペア:

[(1, 245705625), (3, 81901875), (5, 49141125), (9, 27300625), (11, 22336875), (15, 16380375), (19, 12931875), (25, 9828225), (33, 7445625), (45, 5460125), (55, 4467375), (57, 4310625), (75, 3276075), (95, 2586375), (99, 2481875), (121, 2030625), (125, 1965645), (165, 1489125), (171, 1436875), (209, 1175625), (225, 1092025), (275, 893475), (285, 862125), (361, 680625), (363, 676875), (375, 655215), (475, 517275), (495, 496375), (605, 406125), (625, 393129), (627, 391875), (825, 297825), (855, 287375), (1045, 235125), (1083, 226875), (1089, 225625), (1125, 218405), (1375, 178695), (1425, 172425), (1805, 136125), (1815, 135375), (1875, 131043), (1881, 130625), (2299, 106875), (2375, 103455), (2475, 99275), (3025, 81225), (3135, 78375), (3249, 75625), (3971, 61875), (4125, 59565), (4275, 57475), (5225, 47025), (5415, 45375), (5445, 45125), (5625, 43681), (6875, 35739), (6897, 35625), (7125, 34485), (9025, 27225), (9075, 27075), (9405, 26125), (11495, 21375), (11875, 20691), (11913, 20625), (12375, 19855), (15125, 16245)]