86865625

素因数分解:

$5^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2$

素因数の和:81

約数の個数: 72

約数和(自身を含む): 142865856

約数和(自身を除く): 56000231

約数列:

[1, 5, 7, 11, 19, 25, 35, 55, 77, 95, 125, 133, 175, 209, 275, 361, 385, 475, 625, 665, 875, 1045, 1375, 1463, 1805, 1925, 2375, 2527, 3125, 3325, 3971, 4375, 5225, 6875, 7315, 9025, 9625, 11875, 12635, 16625, 19855, 21875, 26125, 27797, 34375, 36575, 45125, 48125, 59375, 63175, 83125, 99275, 130625, 138985, 182875, 225625, 240625, 315875, 415625, 496375, 653125, 694925, 914375, 1128125, 1579375, 2481875, 3474625, 4571875, 7896875, 12409375, 17373125, 86865625]

約数ペア:

[(1, 86865625), (5, 17373125), (7, 12409375), (11, 7896875), (19, 4571875), (25, 3474625), (35, 2481875), (55, 1579375), (77, 1128125), (95, 914375), (125, 694925), (133, 653125), (175, 496375), (209, 415625), (275, 315875), (361, 240625), (385, 225625), (475, 182875), (625, 138985), (665, 130625), (875, 99275), (1045, 83125), (1375, 63175), (1463, 59375), (1805, 48125), (1925, 45125), (2375, 36575), (2527, 34375), (3125, 27797), (3325, 26125), (3971, 21875), (4375, 19855), (5225, 16625), (6875, 12635), (7315, 11875), (9025, 9625)]