541988440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{199}}^1$

素因数の和:425

約数の個数: 128

約数和(自身を含む): 1430784000

約数和(自身を除く): 888795560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 71, 137, 140, 142, 199, 274, 280, 284, 355, 398, 497, 548, 568, 685, 710, 796, 959, 994, 995, 1096, 1370, 1393, 1420, 1592, 1918, 1988, 1990, 2485, 2740, 2786, 2840, 3836, 3976, 3980, 4795, 4970, 5480, 5572, 6965, 7672, 7960, 9590, 9727, 9940, 11144, 13930, 14129, 19180, 19454, 19880, 27263, 27860, 28258, 38360, 38908, 48635, 54526, 55720, 56516, 68089, 70645, 77816, 97270, 98903, 109052, 113032, 136178, 136315, 141290, 190841, 194540, 197806, 218104, 272356, 272630, 282580, 340445, 381682, 389080, 395612, 494515, 544712, 545260, 565160, 680890, 763364, 791224, 954205, 989030, 1090520, 1361780, 1526728, 1908410, 1935673, 1978060, 2723560, 3816820, 3871346, 3956120, 7633640, 7742692, 9678365, 13549711, 15485384, 19356730, 27099422, 38713460, 54198844, 67748555, 77426920, 108397688, 135497110, 270994220, 541988440]

約数ペア:

[(1, 541988440), (2, 270994220), (4, 135497110), (5, 108397688), (7, 77426920), (8, 67748555), (10, 54198844), (14, 38713460), (20, 27099422), (28, 19356730), (35, 15485384), (40, 13549711), (56, 9678365), (70, 7742692), (71, 7633640), (137, 3956120), (140, 3871346), (142, 3816820), (199, 2723560), (274, 1978060), (280, 1935673), (284, 1908410), (355, 1526728), (398, 1361780), (497, 1090520), (548, 989030), (568, 954205), (685, 791224), (710, 763364), (796, 680890), (959, 565160), (994, 545260), (995, 544712), (1096, 494515), (1370, 395612), (1393, 389080), (1420, 381682), (1592, 340445), (1918, 282580), (1988, 272630), (1990, 272356), (2485, 218104), (2740, 197806), (2786, 194540), (2840, 190841), (3836, 141290), (3976, 136315), (3980, 136178), (4795, 113032), (4970, 109052), (5480, 98903), (5572, 97270), (6965, 77816), (7672, 70645), (7960, 68089), (9590, 56516), (9727, 55720), (9940, 54526), (11144, 48635), (13930, 38908), (14129, 38360), (19180, 28258), (19454, 27860), (19880, 27263)]