55955000

素因数分解:

$2^3\times 5^4\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:95

約数の個数: 120

約数和(自身を含む): 142829280

約数和(自身を除く): 86874280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 25, 31, 38, 40, 50, 62, 76, 95, 100, 124, 125, 152, 155, 190, 200, 248, 250, 310, 361, 380, 475, 500, 589, 620, 625, 722, 760, 775, 950, 1000, 1178, 1240, 1250, 1444, 1550, 1805, 1900, 2356, 2375, 2500, 2888, 2945, 3100, 3610, 3800, 3875, 4712, 4750, 5000, 5890, 6200, 7220, 7750, 9025, 9500, 11191, 11780, 11875, 14440, 14725, 15500, 18050, 19000, 19375, 22382, 23560, 23750, 29450, 31000, 36100, 38750, 44764, 45125, 47500, 55955, 58900, 72200, 73625, 77500, 89528, 90250, 95000, 111910, 117800, 147250, 155000, 180500, 223820, 225625, 279775, 294500, 361000, 368125, 447640, 451250, 559550, 589000, 736250, 902500, 1119100, 1398875, 1472500, 1805000, 2238200, 2797750, 2945000, 5595500, 6994375, 11191000, 13988750, 27977500, 55955000]

約数ペア:

[(1, 55955000), (2, 27977500), (4, 13988750), (5, 11191000), (8, 6994375), (10, 5595500), (19, 2945000), (20, 2797750), (25, 2238200), (31, 1805000), (38, 1472500), (40, 1398875), (50, 1119100), (62, 902500), (76, 736250), (95, 589000), (100, 559550), (124, 451250), (125, 447640), (152, 368125), (155, 361000), (190, 294500), (200, 279775), (248, 225625), (250, 223820), (310, 180500), (361, 155000), (380, 147250), (475, 117800), (500, 111910), (589, 95000), (620, 90250), (625, 89528), (722, 77500), (760, 73625), (775, 72200), (950, 58900), (1000, 55955), (1178, 47500), (1240, 45125), (1250, 44764), (1444, 38750), (1550, 36100), (1805, 31000), (1900, 29450), (2356, 23750), (2375, 23560), (2500, 22382), (2888, 19375), (2945, 19000), (3100, 18050), (3610, 15500), (3800, 14725), (3875, 14440), (4712, 11875), (4750, 11780), (5000, 11191), (5890, 9500), (6200, 9025), (7220, 7750)]