988578440

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{587}}^1\times {\mathrm{593}}^1$

素因数の和:1262

約数の個数: 64

約数和(自身を含む): 2263282560

約数和(自身を除く): 1274704120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 587, 593, 710, 1174, 1186, 1420, 2348, 2372, 2840, 2935, 2965, 4696, 4744, 5870, 5930, 11740, 11860, 23480, 23720, 41677, 42103, 83354, 84206, 166708, 168412, 208385, 210515, 333416, 336824, 348091, 416770, 421030, 696182, 833540, 842060, 1392364, 1667080, 1684120, 1740455, 2784728, 3480910, 6961820, 13923640, 24714461, 49428922, 98857844, 123572305, 197715688, 247144610, 494289220, 988578440]

約数ペア:

[(1, 988578440), (2, 494289220), (4, 247144610), (5, 197715688), (8, 123572305), (10, 98857844), (20, 49428922), (40, 24714461), (71, 13923640), (142, 6961820), (284, 3480910), (355, 2784728), (568, 1740455), (587, 1684120), (593, 1667080), (710, 1392364), (1174, 842060), (1186, 833540), (1420, 696182), (2348, 421030), (2372, 416770), (2840, 348091), (2935, 336824), (2965, 333416), (4696, 210515), (4744, 208385), (5870, 168412), (5930, 166708), (11740, 84206), (11860, 83354), (23480, 42103), (23720, 41677)]