49981875

素因数分解:

$3^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1$

素因数の和:126

約数の個数: 80

約数和(自身を含む): 92970240

約数和(自身を除く): 42988365

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 61, 69, 75, 95, 115, 125, 183, 285, 305, 345, 375, 437, 475, 575, 625, 915, 1159, 1311, 1403, 1425, 1525, 1725, 1875, 2185, 2375, 2875, 3477, 4209, 4575, 5795, 6555, 7015, 7125, 7625, 8625, 10925, 11875, 14375, 17385, 21045, 22875, 26657, 28975, 32775, 35075, 35625, 38125, 43125, 54625, 79971, 86925, 105225, 114375, 133285, 144875, 163875, 175375, 273125, 399855, 434625, 526125, 666425, 724375, 819375, 876875, 1999275, 2173125, 2630625, 3332125, 9996375, 16660625, 49981875]

約数ペア:

[(1, 49981875), (3, 16660625), (5, 9996375), (15, 3332125), (19, 2630625), (23, 2173125), (25, 1999275), (57, 876875), (61, 819375), (69, 724375), (75, 666425), (95, 526125), (115, 434625), (125, 399855), (183, 273125), (285, 175375), (305, 163875), (345, 144875), (375, 133285), (437, 114375), (475, 105225), (575, 86925), (625, 79971), (915, 54625), (1159, 43125), (1311, 38125), (1403, 35625), (1425, 35075), (1525, 32775), (1725, 28975), (1875, 26657), (2185, 22875), (2375, 21045), (2875, 17385), (3477, 14375), (4209, 11875), (4575, 10925), (5795, 8625), (6555, 7625), (7015, 7125)]