2638906000

素因数分解:

$2^4\times 5^3\times {\mathrm{31}}^2\times {\mathrm{1373}}^1$

素因数の和:1458

約数の個数: 120

約数和(自身を含む): 6598151352

約数和(自身を除く): 3959245352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 31, 40, 50, 62, 80, 100, 124, 125, 155, 200, 248, 250, 310, 400, 496, 500, 620, 775, 961, 1000, 1240, 1373, 1550, 1922, 2000, 2480, 2746, 3100, 3844, 3875, 4805, 5492, 6200, 6865, 7688, 7750, 9610, 10984, 12400, 13730, 15376, 15500, 19220, 21968, 24025, 27460, 31000, 34325, 38440, 42563, 48050, 54920, 62000, 68650, 76880, 85126, 96100, 109840, 120125, 137300, 170252, 171625, 192200, 212815, 240250, 274600, 340504, 343250, 384400, 425630, 480500, 549200, 681008, 686500, 851260, 961000, 1064075, 1319453, 1373000, 1702520, 1922000, 2128150, 2638906, 2746000, 3405040, 4256300, 5277812, 5320375, 6597265, 8512600, 10555624, 10640750, 13194530, 17025200, 21111248, 21281500, 26389060, 32986325, 42563000, 52778120, 65972650, 85126000, 105556240, 131945300, 164931625, 263890600, 329863250, 527781200, 659726500, 1319453000, 2638906000]

約数ペア:

[(1, 2638906000), (2, 1319453000), (4, 659726500), (5, 527781200), (8, 329863250), (10, 263890600), (16, 164931625), (20, 131945300), (25, 105556240), (31, 85126000), (40, 65972650), (50, 52778120), (62, 42563000), (80, 32986325), (100, 26389060), (124, 21281500), (125, 21111248), (155, 17025200), (200, 13194530), (248, 10640750), (250, 10555624), (310, 8512600), (400, 6597265), (496, 5320375), (500, 5277812), (620, 4256300), (775, 3405040), (961, 2746000), (1000, 2638906), (1240, 2128150), (1373, 1922000), (1550, 1702520), (1922, 1373000), (2000, 1319453), (2480, 1064075), (2746, 961000), (3100, 851260), (3844, 686500), (3875, 681008), (4805, 549200), (5492, 480500), (6200, 425630), (6865, 384400), (7688, 343250), (7750, 340504), (9610, 274600), (10984, 240250), (12400, 212815), (13730, 192200), (15376, 171625), (15500, 170252), (19220, 137300), (21968, 120125), (24025, 109840), (27460, 96100), (31000, 85126), (34325, 76880), (38440, 68650), (42563, 62000), (48050, 54920)]