17219950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:393

約数の個数: 48

約数和(自身を含む): 35354880

約数和(自身を除く): 18134930

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 131, 239, 262, 275, 478, 550, 655, 1195, 1310, 1441, 2390, 2629, 2882, 3275, 5258, 5975, 6550, 7205, 11950, 13145, 14410, 26290, 31309, 36025, 62618, 65725, 72050, 131450, 156545, 313090, 344399, 688798, 782725, 1565450, 1721995, 3443990, 8609975, 17219950]

約数ペア:

[(1, 17219950), (2, 8609975), (5, 3443990), (10, 1721995), (11, 1565450), (22, 782725), (25, 688798), (50, 344399), (55, 313090), (110, 156545), (131, 131450), (239, 72050), (262, 65725), (275, 62618), (478, 36025), (550, 31309), (655, 26290), (1195, 14410), (1310, 13145), (1441, 11950), (2390, 7205), (2629, 6550), (2882, 5975), (3275, 5258)]