313383980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{421}}^1$

素因数の和:859

約数の個数: 96

約数和(自身を含む): 813886080

約数和(自身を除く): 500502100

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 409, 421, 455, 818, 842, 910, 1636, 1684, 1820, 2045, 2105, 2863, 2947, 4090, 4210, 5317, 5473, 5726, 5894, 8180, 8420, 10634, 10946, 11452, 11788, 14315, 14735, 21268, 21892, 26585, 27365, 28630, 29470, 37219, 38311, 53170, 54730, 57260, 58940, 74438, 76622, 106340, 109460, 148876, 153244, 172189, 186095, 191555, 344378, 372190, 383110, 688756, 744380, 766220, 860945, 1205323, 1721890, 2238457, 2410646, 3443780, 4476914, 4821292, 6026615, 8953828, 11192285, 12053230, 15669199, 22384570, 24106460, 31338398, 44769140, 62676796, 78345995, 156691990, 313383980]

約数ペア:

[(1, 313383980), (2, 156691990), (4, 78345995), (5, 62676796), (7, 44769140), (10, 31338398), (13, 24106460), (14, 22384570), (20, 15669199), (26, 12053230), (28, 11192285), (35, 8953828), (52, 6026615), (65, 4821292), (70, 4476914), (91, 3443780), (130, 2410646), (140, 2238457), (182, 1721890), (260, 1205323), (364, 860945), (409, 766220), (421, 744380), (455, 688756), (818, 383110), (842, 372190), (910, 344378), (1636, 191555), (1684, 186095), (1820, 172189), (2045, 153244), (2105, 148876), (2863, 109460), (2947, 106340), (4090, 76622), (4210, 74438), (5317, 58940), (5473, 57260), (5726, 54730), (5894, 53170), (8180, 38311), (8420, 37219), (10634, 29470), (10946, 28630), (11452, 27365), (11788, 26585), (14315, 21892), (14735, 21268)]