22400028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{863}}^1$

素因数の和:983

約数の個数: 72

約数和(自身を含む): 65415168

約数和(自身を除く): 43015140

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 103, 126, 206, 252, 309, 412, 618, 721, 863, 927, 1236, 1442, 1726, 1854, 2163, 2589, 2884, 3452, 3708, 4326, 5178, 6041, 6489, 7767, 8652, 10356, 12082, 12978, 15534, 18123, 24164, 25956, 31068, 36246, 54369, 72492, 88889, 108738, 177778, 217476, 266667, 355556, 533334, 622223, 800001, 1066668, 1244446, 1600002, 1866669, 2488892, 3200004, 3733338, 5600007, 7466676, 11200014, 22400028]

約数ペア:

[(1, 22400028), (2, 11200014), (3, 7466676), (4, 5600007), (6, 3733338), (7, 3200004), (9, 2488892), (12, 1866669), (14, 1600002), (18, 1244446), (21, 1066668), (28, 800001), (36, 622223), (42, 533334), (63, 355556), (84, 266667), (103, 217476), (126, 177778), (206, 108738), (252, 88889), (309, 72492), (412, 54369), (618, 36246), (721, 31068), (863, 25956), (927, 24164), (1236, 18123), (1442, 15534), (1726, 12978), (1854, 12082), (2163, 10356), (2589, 8652), (2884, 7767), (3452, 6489), (3708, 6041), (4326, 5178)]