201964840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{2851}}^1$

素因数の和:2903

約数の個数: 128

約数和(自身を含む): 591390720

約数和(自身を除く): 389425880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 23, 28, 35, 40, 44, 46, 55, 56, 70, 77, 88, 92, 110, 115, 140, 154, 161, 184, 220, 230, 253, 280, 308, 322, 385, 440, 460, 506, 616, 644, 770, 805, 920, 1012, 1265, 1288, 1540, 1610, 1771, 2024, 2530, 2851, 3080, 3220, 3542, 5060, 5702, 6440, 7084, 8855, 10120, 11404, 14168, 14255, 17710, 19957, 22808, 28510, 31361, 35420, 39914, 57020, 62722, 65573, 70840, 79828, 99785, 114040, 125444, 131146, 156805, 159656, 199570, 219527, 250888, 262292, 313610, 327865, 399140, 439054, 459011, 524584, 627220, 655730, 721303, 798280, 878108, 918022, 1097635, 1254440, 1311460, 1442606, 1756216, 1836044, 2195270, 2295055, 2622920, 2885212, 3606515, 3672088, 4390540, 4590110, 5049121, 5770424, 7213030, 8781080, 9180220, 10098242, 14426060, 18360440, 20196484, 25245605, 28852120, 40392968, 50491210, 100982420, 201964840]

約数ペア:

[(1, 201964840), (2, 100982420), (4, 50491210), (5, 40392968), (7, 28852120), (8, 25245605), (10, 20196484), (11, 18360440), (14, 14426060), (20, 10098242), (22, 9180220), (23, 8781080), (28, 7213030), (35, 5770424), (40, 5049121), (44, 4590110), (46, 4390540), (55, 3672088), (56, 3606515), (70, 2885212), (77, 2622920), (88, 2295055), (92, 2195270), (110, 1836044), (115, 1756216), (140, 1442606), (154, 1311460), (161, 1254440), (184, 1097635), (220, 918022), (230, 878108), (253, 798280), (280, 721303), (308, 655730), (322, 627220), (385, 524584), (440, 459011), (460, 439054), (506, 399140), (616, 327865), (644, 313610), (770, 262292), (805, 250888), (920, 219527), (1012, 199570), (1265, 159656), (1288, 156805), (1540, 131146), (1610, 125444), (1771, 114040), (2024, 99785), (2530, 79828), (2851, 70840), (3080, 65573), (3220, 62722), (3542, 57020), (5060, 39914), (5702, 35420), (6440, 31361), (7084, 28510), (8855, 22808), (10120, 19957), (11404, 17710), (14168, 14255)]