1999690

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{53}}^1$

素因数の和:92

約数の個数: 64

約数和(自身を含む): 4665600

約数和(自身を除く): 2665910

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 49, 53, 55, 70, 77, 98, 106, 110, 154, 245, 265, 343, 371, 385, 490, 530, 539, 583, 686, 742, 770, 1078, 1166, 1715, 1855, 2597, 2695, 2915, 3430, 3710, 3773, 4081, 5194, 5390, 5830, 7546, 8162, 12985, 18179, 18865, 20405, 25970, 28567, 36358, 37730, 40810, 57134, 90895, 142835, 181790, 199969, 285670, 399938, 999845, 1999690]

約数ペア:

[(1, 1999690), (2, 999845), (5, 399938), (7, 285670), (10, 199969), (11, 181790), (14, 142835), (22, 90895), (35, 57134), (49, 40810), (53, 37730), (55, 36358), (70, 28567), (77, 25970), (98, 20405), (106, 18865), (110, 18179), (154, 12985), (245, 8162), (265, 7546), (343, 5830), (371, 5390), (385, 5194), (490, 4081), (530, 3773), (539, 3710), (583, 3430), (686, 2915), (742, 2695), (770, 2597), (1078, 1855), (1166, 1715)]