82880875

素因数分解:

$5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 64

約数和(自身を含む): 131788800

約数和(自身を除く): 48907925

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 79, 109, 125, 175, 275, 385, 395, 545, 553, 763, 869, 875, 1199, 1375, 1925, 1975, 2725, 2765, 3815, 4345, 5995, 6083, 8393, 8611, 9625, 9875, 13625, 13825, 19075, 21725, 29975, 30415, 41965, 43055, 60277, 69125, 94721, 95375, 108625, 149875, 152075, 209825, 215275, 301385, 473605, 663047, 760375, 1049125, 1076375, 1506925, 2368025, 3315235, 7534625, 11840125, 16576175, 82880875]

約数ペア:

[(1, 82880875), (5, 16576175), (7, 11840125), (11, 7534625), (25, 3315235), (35, 2368025), (55, 1506925), (77, 1076375), (79, 1049125), (109, 760375), (125, 663047), (175, 473605), (275, 301385), (385, 215275), (395, 209825), (545, 152075), (553, 149875), (763, 108625), (869, 95375), (875, 94721), (1199, 69125), (1375, 60277), (1925, 43055), (1975, 41965), (2725, 30415), (2765, 29975), (3815, 21725), (4345, 19075), (5995, 13825), (6083, 13625), (8393, 9875), (8611, 9625)]