268173885

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{587}}^1$

素因数の和:850

約数の個数: 64

約数和(自身を含む): 519321600

約数和(自身を除く): 251147715

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 95, 105, 133, 229, 285, 399, 587, 665, 687, 1145, 1603, 1761, 1995, 2935, 3435, 4109, 4351, 4809, 8015, 8805, 11153, 12327, 13053, 20545, 21755, 24045, 30457, 33459, 55765, 61635, 65265, 78071, 91371, 134423, 152285, 167295, 234213, 390355, 403269, 456855, 672115, 940961, 1171065, 2016345, 2554037, 2822883, 4704805, 7662111, 12770185, 14114415, 17878259, 38310555, 53634777, 89391295, 268173885]

約数ペア:

[(1, 268173885), (3, 89391295), (5, 53634777), (7, 38310555), (15, 17878259), (19, 14114415), (21, 12770185), (35, 7662111), (57, 4704805), (95, 2822883), (105, 2554037), (133, 2016345), (229, 1171065), (285, 940961), (399, 672115), (587, 456855), (665, 403269), (687, 390355), (1145, 234213), (1603, 167295), (1761, 152285), (1995, 134423), (2935, 91371), (3435, 78071), (4109, 65265), (4351, 61635), (4809, 55765), (8015, 33459), (8805, 30457), (11153, 24045), (12327, 21755), (13053, 20545)]