258340360

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1327}}^1$

素因数の和:1526

約数の個数: 64

約数和(自身を含む): 604293120

約数和(自身を除く): 345952760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 157, 248, 310, 314, 620, 628, 785, 1240, 1256, 1327, 1570, 2654, 3140, 4867, 5308, 6280, 6635, 9734, 10616, 13270, 19468, 24335, 26540, 38936, 41137, 48670, 53080, 82274, 97340, 164548, 194680, 205685, 208339, 329096, 411370, 416678, 822740, 833356, 1041695, 1645480, 1666712, 2083390, 4166780, 6458509, 8333560, 12917018, 25834036, 32292545, 51668072, 64585090, 129170180, 258340360]

約数ペア:

[(1, 258340360), (2, 129170180), (4, 64585090), (5, 51668072), (8, 32292545), (10, 25834036), (20, 12917018), (31, 8333560), (40, 6458509), (62, 4166780), (124, 2083390), (155, 1666712), (157, 1645480), (248, 1041695), (310, 833356), (314, 822740), (620, 416678), (628, 411370), (785, 329096), (1240, 208339), (1256, 205685), (1327, 194680), (1570, 164548), (2654, 97340), (3140, 82274), (4867, 53080), (5308, 48670), (6280, 41137), (6635, 38936), (9734, 26540), (10616, 24335), (13270, 19468)]