17882060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{257}}^1$

素因数の和:351

約数の個数: 72

約数和(自身を含む): 44470944

約数和(自身を除く): 26588884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 257, 284, 355, 490, 497, 514, 710, 980, 994, 1028, 1285, 1420, 1799, 1988, 2485, 2570, 3479, 3598, 4970, 5140, 6958, 7196, 8995, 9940, 12593, 13916, 17395, 17990, 18247, 25186, 34790, 35980, 36494, 50372, 62965, 69580, 72988, 91235, 125930, 127729, 182470, 251860, 255458, 364940, 510916, 638645, 894103, 1277290, 1788206, 2554580, 3576412, 4470515, 8941030, 17882060]

約数ペア:

[(1, 17882060), (2, 8941030), (4, 4470515), (5, 3576412), (7, 2554580), (10, 1788206), (14, 1277290), (20, 894103), (28, 638645), (35, 510916), (49, 364940), (70, 255458), (71, 251860), (98, 182470), (140, 127729), (142, 125930), (196, 91235), (245, 72988), (257, 69580), (284, 62965), (355, 50372), (490, 36494), (497, 35980), (514, 34790), (710, 25186), (980, 18247), (994, 17990), (1028, 17395), (1285, 13916), (1420, 12593), (1799, 9940), (1988, 8995), (2485, 7196), (2570, 6958), (3479, 5140), (3598, 4970)]