454690240

素因数分解:

$2^6\times 5^1\times {\mathrm{557}}^1\times {\mathrm{2551}}^1$

素因数の和:3125

約数の個数: 56

約数和(自身を含む): 1085100192

約数和(自身を除く): 630409952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 557, 1114, 2228, 2551, 2785, 4456, 5102, 5570, 8912, 10204, 11140, 12755, 17824, 20408, 22280, 25510, 35648, 40816, 44560, 51020, 81632, 89120, 102040, 163264, 178240, 204080, 408160, 816320, 1420907, 2841814, 5683628, 7104535, 11367256, 14209070, 22734512, 28418140, 45469024, 56836280, 90938048, 113672560, 227345120, 454690240]

約数ペア:

[(1, 454690240), (2, 227345120), (4, 113672560), (5, 90938048), (8, 56836280), (10, 45469024), (16, 28418140), (20, 22734512), (32, 14209070), (40, 11367256), (64, 7104535), (80, 5683628), (160, 2841814), (320, 1420907), (557, 816320), (1114, 408160), (2228, 204080), (2551, 178240), (2785, 163264), (4456, 102040), (5102, 89120), (5570, 81632), (8912, 51020), (10204, 44560), (11140, 40816), (12755, 35648), (17824, 25510), (20408, 22280)]