75838025

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{79}}^1$

素因数の和:198

約数の個数: 48

約数和(自身を含む): 104755200

約数和(自身を除く): 28917175

約数列:

[1, 5, 19, 25, 43, 47, 79, 95, 215, 235, 395, 475, 817, 893, 1075, 1175, 1501, 1975, 2021, 3397, 3713, 4085, 4465, 7505, 10105, 16985, 18565, 20425, 22325, 37525, 38399, 50525, 64543, 70547, 84925, 92825, 159659, 191995, 322715, 352735, 798295, 959975, 1613575, 1763675, 3033521, 3991475, 15167605, 75838025]

約数ペア:

[(1, 75838025), (5, 15167605), (19, 3991475), (25, 3033521), (43, 1763675), (47, 1613575), (79, 959975), (95, 798295), (215, 352735), (235, 322715), (395, 191995), (475, 159659), (817, 92825), (893, 84925), (1075, 70547), (1175, 64543), (1501, 50525), (1975, 38399), (2021, 37525), (3397, 22325), (3713, 20425), (4085, 18565), (4465, 16985), (7505, 10105)]