947029240

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{2399}}^1$

素因数の和:2620

約数の個数: 64

約数和(自身を含む): 2177280000

約数和(自身を除く): 1230250760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 139, 142, 278, 284, 355, 556, 568, 695, 710, 1112, 1390, 1420, 2399, 2780, 2840, 4798, 5560, 9596, 9869, 11995, 19192, 19738, 23990, 39476, 47980, 49345, 78952, 95960, 98690, 170329, 197380, 333461, 340658, 394760, 666922, 681316, 851645, 1333844, 1362632, 1667305, 1703290, 2667688, 3334610, 3406580, 6669220, 6813160, 13338440, 23675731, 47351462, 94702924, 118378655, 189405848, 236757310, 473514620, 947029240]

約数ペア:

[(1, 947029240), (2, 473514620), (4, 236757310), (5, 189405848), (8, 118378655), (10, 94702924), (20, 47351462), (40, 23675731), (71, 13338440), (139, 6813160), (142, 6669220), (278, 3406580), (284, 3334610), (355, 2667688), (556, 1703290), (568, 1667305), (695, 1362632), (710, 1333844), (1112, 851645), (1390, 681316), (1420, 666922), (2399, 394760), (2780, 340658), (2840, 333461), (4798, 197380), (5560, 170329), (9596, 98690), (9869, 95960), (11995, 78952), (19192, 49345), (19738, 47980), (23990, 39476)]