31918541620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{599}}^1\times {\mathrm{1481}}^1$

素因数の和:2353

約数の個数: 96

約数和(自身を含む): 77082969600

約数和(自身を除く): 45164427980

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 257, 514, 599, 1028, 1198, 1285, 1481, 1799, 2396, 2570, 2962, 2995, 3598, 4193, 5140, 5924, 5990, 7196, 7405, 8386, 8995, 10367, 11980, 14810, 16772, 17990, 20734, 20965, 29620, 35980, 41468, 41930, 51835, 83860, 103670, 153943, 207340, 307886, 380617, 615772, 761234, 769715, 887119, 1077601, 1522468, 1539430, 1774238, 1903085, 2155202, 2664319, 3078860, 3548476, 3806170, 4310404, 4435595, 5328638, 5388005, 6209833, 7612340, 8871190, 10657276, 10776010, 12419666, 13321595, 17742380, 21552020, 24839332, 26643190, 31049165, 53286380, 62098330, 124196660, 227989583, 455979166, 911958332, 1139947915, 1595927081, 2279895830, 3191854162, 4559791660, 6383708324, 7979635405, 15959270810, 31918541620]

約数ペア:

[(1, 31918541620), (2, 15959270810), (4, 7979635405), (5, 6383708324), (7, 4559791660), (10, 3191854162), (14, 2279895830), (20, 1595927081), (28, 1139947915), (35, 911958332), (70, 455979166), (140, 227989583), (257, 124196660), (514, 62098330), (599, 53286380), (1028, 31049165), (1198, 26643190), (1285, 24839332), (1481, 21552020), (1799, 17742380), (2396, 13321595), (2570, 12419666), (2962, 10776010), (2995, 10657276), (3598, 8871190), (4193, 7612340), (5140, 6209833), (5924, 5388005), (5990, 5328638), (7196, 4435595), (7405, 4310404), (8386, 3806170), (8995, 3548476), (10367, 3078860), (11980, 2664319), (14810, 2155202), (16772, 1903085), (17990, 1774238), (20734, 1539430), (20965, 1522468), (29620, 1077601), (35980, 887119), (41468, 769715), (41930, 761234), (51835, 615772), (83860, 380617), (103670, 307886), (153943, 207340)]