201909420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:416

約数の個数: 144

約数和(自身を含む): 635675040

約数和(自身を除く): 433765620

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 109, 123, 164, 180, 205, 218, 246, 251, 327, 369, 410, 436, 492, 502, 545, 615, 654, 738, 753, 820, 981, 1004, 1090, 1230, 1255, 1308, 1476, 1506, 1635, 1845, 1962, 2180, 2259, 2460, 2510, 3012, 3270, 3690, 3765, 3924, 4469, 4518, 4905, 5020, 6540, 7380, 7530, 8938, 9036, 9810, 10291, 11295, 13407, 15060, 17876, 19620, 20582, 22345, 22590, 26814, 27359, 30873, 40221, 41164, 44690, 45180, 51455, 53628, 54718, 61746, 67035, 80442, 82077, 89380, 92619, 102910, 109436, 123492, 134070, 136795, 154365, 160884, 164154, 185238, 201105, 205820, 246231, 268140, 273590, 308730, 328308, 370476, 402210, 410385, 463095, 492462, 547180, 617460, 804420, 820770, 926190, 984924, 1121719, 1231155, 1641540, 1852380, 2243438, 2462310, 3365157, 4486876, 4924620, 5608595, 6730314, 10095471, 11217190, 13460628, 16825785, 20190942, 22434380, 33651570, 40381884, 50477355, 67303140, 100954710, 201909420]

約数ペア:

[(1, 201909420), (2, 100954710), (3, 67303140), (4, 50477355), (5, 40381884), (6, 33651570), (9, 22434380), (10, 20190942), (12, 16825785), (15, 13460628), (18, 11217190), (20, 10095471), (30, 6730314), (36, 5608595), (41, 4924620), (45, 4486876), (60, 3365157), (82, 2462310), (90, 2243438), (109, 1852380), (123, 1641540), (164, 1231155), (180, 1121719), (205, 984924), (218, 926190), (246, 820770), (251, 804420), (327, 617460), (369, 547180), (410, 492462), (436, 463095), (492, 410385), (502, 402210), (545, 370476), (615, 328308), (654, 308730), (738, 273590), (753, 268140), (820, 246231), (981, 205820), (1004, 201105), (1090, 185238), (1230, 164154), (1255, 160884), (1308, 154365), (1476, 136795), (1506, 134070), (1635, 123492), (1845, 109436), (1962, 102910), (2180, 92619), (2259, 89380), (2460, 82077), (2510, 80442), (3012, 67035), (3270, 61746), (3690, 54718), (3765, 53628), (3924, 51455), (4469, 45180), (4518, 44690), (4905, 41164), (5020, 40221), (6540, 30873), (7380, 27359), (7530, 26814), (8938, 22590), (9036, 22345), (9810, 20582), (10291, 19620), (11295, 17876), (13407, 15060)]