2878960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:170

約数の個数: 80

約数和(自身を含む): 7874496

約数和(自身を除く): 4995536

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 53, 56, 70, 80, 97, 106, 112, 140, 194, 212, 265, 280, 371, 388, 424, 485, 530, 560, 679, 742, 776, 848, 970, 1060, 1358, 1484, 1552, 1855, 1940, 2120, 2716, 2968, 3395, 3710, 3880, 4240, 5141, 5432, 5936, 6790, 7420, 7760, 10282, 10864, 13580, 14840, 20564, 25705, 27160, 29680, 35987, 41128, 51410, 54320, 71974, 82256, 102820, 143948, 179935, 205640, 287896, 359870, 411280, 575792, 719740, 1439480, 2878960]

約数ペア:

[(1, 2878960), (2, 1439480), (4, 719740), (5, 575792), (7, 411280), (8, 359870), (10, 287896), (14, 205640), (16, 179935), (20, 143948), (28, 102820), (35, 82256), (40, 71974), (53, 54320), (56, 51410), (70, 41128), (80, 35987), (97, 29680), (106, 27160), (112, 25705), (140, 20564), (194, 14840), (212, 13580), (265, 10864), (280, 10282), (371, 7760), (388, 7420), (424, 6790), (485, 5936), (530, 5432), (560, 5141), (679, 4240), (742, 3880), (776, 3710), (848, 3395), (970, 2968), (1060, 2716), (1358, 2120), (1484, 1940), (1552, 1855)]