131121340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1489}}^1$

素因数の和:1559

約数の個数: 96

約数和(自身を含む): 342437760

約数和(自身を除く): 211316420

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 37, 68, 70, 74, 85, 119, 140, 148, 170, 185, 238, 259, 340, 370, 476, 518, 595, 629, 740, 1036, 1190, 1258, 1295, 1489, 2380, 2516, 2590, 2978, 3145, 4403, 5180, 5956, 6290, 7445, 8806, 10423, 12580, 14890, 17612, 20846, 22015, 25313, 29780, 41692, 44030, 50626, 52115, 55093, 88060, 101252, 104230, 110186, 126565, 177191, 208460, 220372, 253130, 275465, 354382, 385651, 506260, 550930, 708764, 771302, 885955, 936581, 1101860, 1542604, 1771910, 1873162, 1928255, 3543820, 3746324, 3856510, 4682905, 6556067, 7713020, 9365810, 13112134, 18731620, 26224268, 32780335, 65560670, 131121340]

約数ペア:

[(1, 131121340), (2, 65560670), (4, 32780335), (5, 26224268), (7, 18731620), (10, 13112134), (14, 9365810), (17, 7713020), (20, 6556067), (28, 4682905), (34, 3856510), (35, 3746324), (37, 3543820), (68, 1928255), (70, 1873162), (74, 1771910), (85, 1542604), (119, 1101860), (140, 936581), (148, 885955), (170, 771302), (185, 708764), (238, 550930), (259, 506260), (340, 385651), (370, 354382), (476, 275465), (518, 253130), (595, 220372), (629, 208460), (740, 177191), (1036, 126565), (1190, 110186), (1258, 104230), (1295, 101252), (1489, 88060), (2380, 55093), (2516, 52115), (2590, 50626), (2978, 44030), (3145, 41692), (4403, 29780), (5180, 25313), (5956, 22015), (6290, 20846), (7445, 17612), (8806, 14890), (10423, 12580)]