380788125

素因数分解:

$3^1\times 5^4\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{149}}^1$

素因数の和:248

約数の個数: 80

約数和(自身を含む): 674784000

約数和(自身を除く): 293995875

約数列:

[1, 3, 5, 15, 25, 29, 47, 75, 87, 125, 141, 145, 149, 235, 375, 435, 447, 625, 705, 725, 745, 1175, 1363, 1875, 2175, 2235, 3525, 3625, 3725, 4089, 4321, 5875, 6815, 7003, 10875, 11175, 12963, 17625, 18125, 18625, 20445, 21009, 21605, 29375, 34075, 35015, 54375, 55875, 64815, 88125, 93125, 102225, 105045, 108025, 170375, 175075, 203087, 279375, 324075, 511125, 525225, 540125, 609261, 851875, 875375, 1015435, 1620375, 2555625, 2626125, 2700625, 3046305, 4376875, 5077175, 8101875, 13130625, 15231525, 25385875, 76157625, 126929375, 380788125]

約数ペア:

[(1, 380788125), (3, 126929375), (5, 76157625), (15, 25385875), (25, 15231525), (29, 13130625), (47, 8101875), (75, 5077175), (87, 4376875), (125, 3046305), (141, 2700625), (145, 2626125), (149, 2555625), (235, 1620375), (375, 1015435), (435, 875375), (447, 851875), (625, 609261), (705, 540125), (725, 525225), (745, 511125), (1175, 324075), (1363, 279375), (1875, 203087), (2175, 175075), (2235, 170375), (3525, 108025), (3625, 105045), (3725, 102225), (4089, 93125), (4321, 88125), (5875, 64815), (6815, 55875), (7003, 54375), (10875, 35015), (11175, 34075), (12963, 29375), (17625, 21605), (18125, 21009), (18625, 20445)]