210854875

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1153}}^1$

素因数の和:1205

約数の個数: 64

約数和(自身を含む): 345646080

約数和(自身を除く): 134791205

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 125, 133, 175, 209, 275, 385, 475, 665, 875, 1045, 1153, 1375, 1463, 1925, 2375, 3325, 5225, 5765, 7315, 8071, 9625, 12683, 16625, 21907, 26125, 28825, 36575, 40355, 63415, 88781, 109535, 144125, 153349, 182875, 201775, 240977, 317075, 443905, 547675, 766745, 1008875, 1204885, 1585375, 1686839, 2219525, 2738375, 3833725, 6024425, 8434195, 11097625, 19168625, 30122125, 42170975, 210854875]

約数ペア:

[(1, 210854875), (5, 42170975), (7, 30122125), (11, 19168625), (19, 11097625), (25, 8434195), (35, 6024425), (55, 3833725), (77, 2738375), (95, 2219525), (125, 1686839), (133, 1585375), (175, 1204885), (209, 1008875), (275, 766745), (385, 547675), (475, 443905), (665, 317075), (875, 240977), (1045, 201775), (1153, 182875), (1375, 153349), (1463, 144125), (1925, 109535), (2375, 88781), (3325, 63415), (5225, 40355), (5765, 36575), (7315, 28825), (8071, 26125), (9625, 21907), (12683, 16625)]