657181240

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{373}}^1\times {\mathrm{2591}}^1$

素因数の和:2992

約数の個数: 64

約数和(自身を含む): 1570440960

約数和(自身を除く): 913259720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 373, 680, 746, 1492, 1865, 2591, 2984, 3730, 5182, 6341, 7460, 10364, 12682, 12955, 14920, 20728, 25364, 25910, 31705, 44047, 50728, 51820, 63410, 88094, 103640, 126820, 176188, 220235, 253640, 352376, 440470, 880940, 966443, 1761880, 1932886, 3865772, 4832215, 7731544, 9664430, 16429531, 19328860, 32859062, 38657720, 65718124, 82147655, 131436248, 164295310, 328590620, 657181240]

約数ペア:

[(1, 657181240), (2, 328590620), (4, 164295310), (5, 131436248), (8, 82147655), (10, 65718124), (17, 38657720), (20, 32859062), (34, 19328860), (40, 16429531), (68, 9664430), (85, 7731544), (136, 4832215), (170, 3865772), (340, 1932886), (373, 1761880), (680, 966443), (746, 880940), (1492, 440470), (1865, 352376), (2591, 253640), (2984, 220235), (3730, 176188), (5182, 126820), (6341, 103640), (7460, 88094), (10364, 63410), (12682, 51820), (12955, 50728), (14920, 44047), (20728, 31705), (25364, 25910)]