194761980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{154573}}^1$

素因数の和:154595

約数の個数: 72

約数和(自身を含む): 675179232

約数和(自身を除く): 480417252

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 154573, 309146, 463719, 618292, 772865, 927438, 1082011, 1391157, 1545730, 1854876, 2164022, 2318595, 2782314, 3091460, 3246033, 4328044, 4637190, 5410055, 5564628, 6492066, 6955785, 9274380, 9738099, 10820110, 12984132, 13911570, 16230165, 19476198, 21640220, 27823140, 32460330, 38952396, 48690495, 64920660, 97380990, 194761980]

約数ペア:

[(1, 194761980), (2, 97380990), (3, 64920660), (4, 48690495), (5, 38952396), (6, 32460330), (7, 27823140), (9, 21640220), (10, 19476198), (12, 16230165), (14, 13911570), (15, 12984132), (18, 10820110), (20, 9738099), (21, 9274380), (28, 6955785), (30, 6492066), (35, 5564628), (36, 5410055), (42, 4637190), (45, 4328044), (60, 3246033), (63, 3091460), (70, 2782314), (84, 2318595), (90, 2164022), (105, 1854876), (126, 1545730), (140, 1391157), (180, 1082011), (210, 927438), (252, 772865), (315, 618292), (420, 463719), (630, 309146), (1260, 154573)]