2019805970

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2909}}^1$

素因数の和:3052

約数の個数: 96

約数和(自身を含む): 4597916400

約数和(自身を除く): 2578110430

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 49, 65, 70, 91, 98, 109, 130, 182, 218, 245, 455, 490, 545, 637, 763, 910, 1090, 1274, 1417, 1526, 2834, 2909, 3185, 3815, 5341, 5818, 6370, 7085, 7630, 9919, 10682, 14170, 14545, 19838, 20363, 26705, 29090, 37817, 40726, 49595, 53410, 69433, 75634, 99190, 101815, 138866, 142541, 189085, 203630, 264719, 285082, 317081, 347165, 378170, 529438, 634162, 694330, 712705, 1323595, 1425410, 1585405, 1853033, 2219567, 2647190, 3170810, 3706066, 4122053, 4439134, 8244106, 9265165, 11097835, 15536969, 18530330, 20610265, 22195670, 28854371, 31073938, 41220530, 57708742, 77684845, 144271855, 155369690, 201980597, 288543710, 403961194, 1009902985, 2019805970]

約数ペア:

[(1, 2019805970), (2, 1009902985), (5, 403961194), (7, 288543710), (10, 201980597), (13, 155369690), (14, 144271855), (26, 77684845), (35, 57708742), (49, 41220530), (65, 31073938), (70, 28854371), (91, 22195670), (98, 20610265), (109, 18530330), (130, 15536969), (182, 11097835), (218, 9265165), (245, 8244106), (455, 4439134), (490, 4122053), (545, 3706066), (637, 3170810), (763, 2647190), (910, 2219567), (1090, 1853033), (1274, 1585405), (1417, 1425410), (1526, 1323595), (2834, 712705), (2909, 694330), (3185, 634162), (3815, 529438), (5341, 378170), (5818, 347165), (6370, 317081), (7085, 285082), (7630, 264719), (9919, 203630), (10682, 189085), (14170, 142541), (14545, 138866), (19838, 101815), (20363, 99190), (26705, 75634), (29090, 69433), (37817, 53410), (40726, 49595)]