4802440

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:190

約数の個数: 64

約数和(自身を含む): 11664000

約数和(自身を除く): 6861560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 89, 95, 142, 152, 178, 190, 284, 355, 356, 380, 445, 568, 710, 712, 760, 890, 1349, 1420, 1691, 1780, 2698, 2840, 3382, 3560, 5396, 6319, 6745, 6764, 8455, 10792, 12638, 13490, 13528, 16910, 25276, 26980, 31595, 33820, 50552, 53960, 63190, 67640, 120061, 126380, 240122, 252760, 480244, 600305, 960488, 1200610, 2401220, 4802440]

約数ペア:

[(1, 4802440), (2, 2401220), (4, 1200610), (5, 960488), (8, 600305), (10, 480244), (19, 252760), (20, 240122), (38, 126380), (40, 120061), (71, 67640), (76, 63190), (89, 53960), (95, 50552), (142, 33820), (152, 31595), (178, 26980), (190, 25276), (284, 16910), (355, 13528), (356, 13490), (380, 12638), (445, 10792), (568, 8455), (710, 6764), (712, 6745), (760, 6319), (890, 5396), (1349, 3560), (1420, 3382), (1691, 2840), (1780, 2698)]