220858125

素因数分解:

$3^1\times 5^4\times {\mathrm{61}}^1\times {\mathrm{1931}}^1$

素因数の和:2015

約数の個数: 40

約数和(自身を含む): 374205216

約数和(自身を除く): 153347091

約数列:

[1, 3, 5, 15, 25, 61, 75, 125, 183, 305, 375, 625, 915, 1525, 1875, 1931, 4575, 5793, 7625, 9655, 22875, 28965, 38125, 48275, 114375, 117791, 144825, 241375, 353373, 588955, 724125, 1206875, 1766865, 2944775, 3620625, 8834325, 14723875, 44171625, 73619375, 220858125]

約数ペア:

[(1, 220858125), (3, 73619375), (5, 44171625), (15, 14723875), (25, 8834325), (61, 3620625), (75, 2944775), (125, 1766865), (183, 1206875), (305, 724125), (375, 588955), (625, 353373), (915, 241375), (1525, 144825), (1875, 117791), (1931, 114375), (4575, 48275), (5793, 38125), (7625, 28965), (9655, 22875)]