12891340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{761}}^1$

素因数の和:799

約数の個数: 72

約数和(自身を含む): 34052256

約数和(自身を除く): 21160916

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 121, 140, 154, 220, 242, 308, 385, 484, 605, 761, 770, 847, 1210, 1522, 1540, 1694, 2420, 3044, 3388, 3805, 4235, 5327, 7610, 8371, 8470, 10654, 15220, 16742, 16940, 21308, 26635, 33484, 41855, 53270, 58597, 83710, 92081, 106540, 117194, 167420, 184162, 234388, 292985, 368324, 460405, 585970, 644567, 920810, 1171940, 1289134, 1841620, 2578268, 3222835, 6445670, 12891340]

約数ペア:

[(1, 12891340), (2, 6445670), (4, 3222835), (5, 2578268), (7, 1841620), (10, 1289134), (11, 1171940), (14, 920810), (20, 644567), (22, 585970), (28, 460405), (35, 368324), (44, 292985), (55, 234388), (70, 184162), (77, 167420), (110, 117194), (121, 106540), (140, 92081), (154, 83710), (220, 58597), (242, 53270), (308, 41855), (385, 33484), (484, 26635), (605, 21308), (761, 16940), (770, 16742), (847, 15220), (1210, 10654), (1522, 8470), (1540, 8371), (1694, 7610), (2420, 5327), (3044, 4235), (3388, 3805)]