2000002912

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{103}}^1\times {\mathrm{107}}^2$

素因数の和:380

約数の個数: 72

約数和(自身を含む): 4088959056

約数和(自身を除く): 2088956144

約数列:

[1, 2, 4, 8, 16, 32, 53, 103, 106, 107, 206, 212, 214, 412, 424, 428, 824, 848, 856, 1648, 1696, 1712, 3296, 3424, 5459, 5671, 10918, 11021, 11342, 11449, 21836, 22042, 22684, 22898, 43672, 44084, 45368, 45796, 87344, 88168, 90736, 91592, 174688, 176336, 181472, 183184, 352672, 366368, 584113, 606797, 1168226, 1179247, 1213594, 2336452, 2358494, 2427188, 4672904, 4716988, 4854376, 9345808, 9433976, 9708752, 18691616, 18867952, 19417504, 37735904, 62500091, 125000182, 250000364, 500000728, 1000001456, 2000002912]

約数ペア:

[(1, 2000002912), (2, 1000001456), (4, 500000728), (8, 250000364), (16, 125000182), (32, 62500091), (53, 37735904), (103, 19417504), (106, 18867952), (107, 18691616), (206, 9708752), (212, 9433976), (214, 9345808), (412, 4854376), (424, 4716988), (428, 4672904), (824, 2427188), (848, 2358494), (856, 2336452), (1648, 1213594), (1696, 1179247), (1712, 1168226), (3296, 606797), (3424, 584113), (5459, 366368), (5671, 352672), (10918, 183184), (11021, 181472), (11342, 176336), (11449, 174688), (21836, 91592), (22042, 90736), (22684, 88168), (22898, 87344), (43672, 45796), (44084, 45368)]