78264725

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{373}}^1$

素因数の和:510

約数の個数: 48

約数和(自身を含む): 122432640

約数和(自身を除く): 44167915

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 109, 175, 275, 373, 385, 545, 763, 1199, 1865, 1925, 2611, 2725, 3815, 4103, 5995, 8393, 9325, 13055, 19075, 20515, 28721, 29975, 40657, 41965, 65275, 102575, 143605, 203285, 209825, 284599, 447227, 718025, 1016425, 1422995, 2236135, 3130589, 7114975, 11180675, 15652945, 78264725]

約数ペア:

[(1, 78264725), (5, 15652945), (7, 11180675), (11, 7114975), (25, 3130589), (35, 2236135), (55, 1422995), (77, 1016425), (109, 718025), (175, 447227), (275, 284599), (373, 209825), (385, 203285), (545, 143605), (763, 102575), (1199, 65275), (1865, 41965), (1925, 40657), (2611, 29975), (2725, 28721), (3815, 20515), (4103, 19075), (5995, 13055), (8393, 9325)]