215529580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{21089}}^1$

素因数の和:21178

約数の個数: 48

約数和(自身を含む): 524381760

約数和(自身を除く): 308852180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 2044, 2555, 5110, 10220, 21089, 42178, 84356, 105445, 147623, 210890, 295246, 421780, 590492, 738115, 1476230, 1539497, 2952460, 3078994, 6157988, 7697485, 10776479, 15394970, 21552958, 30789940, 43105916, 53882395, 107764790, 215529580]

約数ペア:

[(1, 215529580), (2, 107764790), (4, 53882395), (5, 43105916), (7, 30789940), (10, 21552958), (14, 15394970), (20, 10776479), (28, 7697485), (35, 6157988), (70, 3078994), (73, 2952460), (140, 1539497), (146, 1476230), (292, 738115), (365, 590492), (511, 421780), (730, 295246), (1022, 210890), (1460, 147623), (2044, 105445), (2555, 84356), (5110, 42178), (10220, 21089)]