201950840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{509}}^1$

素因数の和:649

約数の個数: 128

約数和(自身を含む): 565488000

約数和(自身を除く): 363537160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 109, 130, 140, 182, 218, 260, 280, 364, 436, 455, 509, 520, 545, 728, 763, 872, 910, 1018, 1090, 1417, 1526, 1820, 2036, 2180, 2545, 2834, 3052, 3563, 3640, 3815, 4072, 4360, 5090, 5668, 6104, 6617, 7085, 7126, 7630, 9919, 10180, 11336, 13234, 14170, 14252, 15260, 17815, 19838, 20360, 26468, 28340, 28504, 30520, 33085, 35630, 39676, 46319, 49595, 52936, 55481, 56680, 66170, 71260, 79352, 92638, 99190, 110962, 132340, 142520, 185276, 198380, 221924, 231595, 264680, 277405, 370552, 388367, 396760, 443848, 463190, 554810, 721253, 776734, 926380, 1109620, 1442506, 1553468, 1852760, 1941835, 2219240, 2885012, 3106936, 3606265, 3883670, 5048771, 5770024, 7212530, 7767340, 10097542, 14425060, 15534680, 20195084, 25243855, 28850120, 40390168, 50487710, 100975420, 201950840]

約数ペア:

[(1, 201950840), (2, 100975420), (4, 50487710), (5, 40390168), (7, 28850120), (8, 25243855), (10, 20195084), (13, 15534680), (14, 14425060), (20, 10097542), (26, 7767340), (28, 7212530), (35, 5770024), (40, 5048771), (52, 3883670), (56, 3606265), (65, 3106936), (70, 2885012), (91, 2219240), (104, 1941835), (109, 1852760), (130, 1553468), (140, 1442506), (182, 1109620), (218, 926380), (260, 776734), (280, 721253), (364, 554810), (436, 463190), (455, 443848), (509, 396760), (520, 388367), (545, 370552), (728, 277405), (763, 264680), (872, 231595), (910, 221924), (1018, 198380), (1090, 185276), (1417, 142520), (1526, 132340), (1820, 110962), (2036, 99190), (2180, 92638), (2545, 79352), (2834, 71260), (3052, 66170), (3563, 56680), (3640, 55481), (3815, 52936), (4072, 49595), (4360, 46319), (5090, 39676), (5668, 35630), (6104, 33085), (6617, 30520), (7085, 28504), (7126, 28340), (7630, 26468), (9919, 20360), (10180, 19838), (11336, 17815), (13234, 15260), (14170, 14252)]