201985960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{653}}^1$

素因数の和:731

約数の個数: 128

約数和(自身を含む): 536803200

約数和(自身を除く): 334817240

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 37, 38, 40, 44, 55, 74, 76, 88, 95, 110, 148, 152, 185, 190, 209, 220, 296, 370, 380, 407, 418, 440, 653, 703, 740, 760, 814, 836, 1045, 1306, 1406, 1480, 1628, 1672, 2035, 2090, 2612, 2812, 3256, 3265, 3515, 4070, 4180, 5224, 5624, 6530, 7030, 7183, 7733, 8140, 8360, 12407, 13060, 14060, 14366, 15466, 16280, 24161, 24814, 26120, 28120, 28732, 30932, 35915, 38665, 48322, 49628, 57464, 61864, 62035, 71830, 77330, 96644, 99256, 120805, 124070, 136477, 143660, 154660, 193288, 241610, 248140, 265771, 272954, 287320, 309320, 459059, 483220, 496280, 531542, 545908, 682385, 918118, 966440, 1063084, 1091816, 1328855, 1364770, 1836236, 2126168, 2295295, 2657710, 2729540, 3672472, 4590590, 5049649, 5315420, 5459080, 9181180, 10099298, 10630840, 18362360, 20198596, 25248245, 40397192, 50496490, 100992980, 201985960]

約数ペア:

[(1, 201985960), (2, 100992980), (4, 50496490), (5, 40397192), (8, 25248245), (10, 20198596), (11, 18362360), (19, 10630840), (20, 10099298), (22, 9181180), (37, 5459080), (38, 5315420), (40, 5049649), (44, 4590590), (55, 3672472), (74, 2729540), (76, 2657710), (88, 2295295), (95, 2126168), (110, 1836236), (148, 1364770), (152, 1328855), (185, 1091816), (190, 1063084), (209, 966440), (220, 918118), (296, 682385), (370, 545908), (380, 531542), (407, 496280), (418, 483220), (440, 459059), (653, 309320), (703, 287320), (740, 272954), (760, 265771), (814, 248140), (836, 241610), (1045, 193288), (1306, 154660), (1406, 143660), (1480, 136477), (1628, 124070), (1672, 120805), (2035, 99256), (2090, 96644), (2612, 77330), (2812, 71830), (3256, 62035), (3265, 61864), (3515, 57464), (4070, 49628), (4180, 48322), (5224, 38665), (5624, 35915), (6530, 30932), (7030, 28732), (7183, 28120), (7733, 26120), (8140, 24814), (8360, 24161), (12407, 16280), (13060, 15466), (14060, 14366)]