11385980

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:398

約数の個数: 48

約数和(自身を含む): 25189920

約数和(自身を除く): 13803940

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 67, 116, 134, 145, 268, 290, 293, 335, 580, 586, 670, 1172, 1340, 1465, 1943, 2930, 3886, 5860, 7772, 8497, 9715, 16994, 19430, 19631, 33988, 38860, 39262, 42485, 78524, 84970, 98155, 169940, 196310, 392620, 569299, 1138598, 2277196, 2846495, 5692990, 11385980]

約数ペア:

[(1, 11385980), (2, 5692990), (4, 2846495), (5, 2277196), (10, 1138598), (20, 569299), (29, 392620), (58, 196310), (67, 169940), (116, 98155), (134, 84970), (145, 78524), (268, 42485), (290, 39262), (293, 38860), (335, 33988), (580, 19631), (586, 19430), (670, 16994), (1172, 9715), (1340, 8497), (1465, 7772), (1943, 5860), (2930, 3886)]