30999760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{35227}}^1$

素因数の和:35251

約数の個数: 40

約数和(自身を含む): 78628896

約数和(自身を除く): 47629136

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 35227, 70454, 140908, 176135, 281816, 352270, 387497, 563632, 704540, 774994, 1409080, 1549988, 1937485, 2818160, 3099976, 3874970, 6199952, 7749940, 15499880, 30999760]

約数ペア:

[(1, 30999760), (2, 15499880), (4, 7749940), (5, 6199952), (8, 3874970), (10, 3099976), (11, 2818160), (16, 1937485), (20, 1549988), (22, 1409080), (40, 774994), (44, 704540), (55, 563632), (80, 387497), (88, 352270), (110, 281816), (176, 176135), (220, 140908), (440, 70454), (880, 35227)]