91388890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{10739}}^1$

素因数の和:10806

約数の個数: 32

約数和(自身を含む): 176307840

約数和(自身を除く): 84918950

約数列:

[1, 2, 5, 10, 23, 37, 46, 74, 115, 185, 230, 370, 851, 1702, 4255, 8510, 10739, 21478, 53695, 107390, 246997, 397343, 493994, 794686, 1234985, 1986715, 2469970, 3973430, 9138889, 18277778, 45694445, 91388890]

約数ペア:

[(1, 91388890), (2, 45694445), (5, 18277778), (10, 9138889), (23, 3973430), (37, 2469970), (46, 1986715), (74, 1234985), (115, 794686), (185, 493994), (230, 397343), (370, 246997), (851, 107390), (1702, 53695), (4255, 21478), (8510, 10739)]