71889125

素因数分解:

$5^3\times 7^2\times {\mathrm{11}}^2\times {\mathrm{97}}^1$

素因数の和:148

約数の個数: 72

約数和(自身を含む): 115898328

約数和(自身を除く): 44009203

約数列:

[1, 5, 7, 11, 25, 35, 49, 55, 77, 97, 121, 125, 175, 245, 275, 385, 485, 539, 605, 679, 847, 875, 1067, 1225, 1375, 1925, 2425, 2695, 3025, 3395, 4235, 4753, 5335, 5929, 6125, 7469, 9625, 11737, 12125, 13475, 15125, 16975, 21175, 23765, 26675, 29645, 37345, 52283, 58685, 67375, 82159, 84875, 105875, 118825, 133375, 148225, 186725, 261415, 293425, 410795, 575113, 594125, 741125, 933625, 1307075, 1467125, 2053975, 2875565, 6535375, 10269875, 14377825, 71889125]

約数ペア:

[(1, 71889125), (5, 14377825), (7, 10269875), (11, 6535375), (25, 2875565), (35, 2053975), (49, 1467125), (55, 1307075), (77, 933625), (97, 741125), (121, 594125), (125, 575113), (175, 410795), (245, 293425), (275, 261415), (385, 186725), (485, 148225), (539, 133375), (605, 118825), (679, 105875), (847, 84875), (875, 82159), (1067, 67375), (1225, 58685), (1375, 52283), (1925, 37345), (2425, 29645), (2695, 26675), (3025, 23765), (3395, 21175), (4235, 16975), (4753, 15125), (5335, 13475), (5929, 12125), (6125, 11737), (7469, 9625)]