287390270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{277}}^1\times {\mathrm{359}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 553042080

約数和(自身を除く): 265651810

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 277, 289, 359, 554, 578, 718, 1385, 1445, 1795, 2770, 2890, 3590, 4709, 6103, 9418, 12206, 23545, 30515, 47090, 61030, 80053, 99443, 103751, 160106, 198886, 207502, 400265, 497215, 518755, 800530, 994430, 1037510, 1690531, 3381062, 8452655, 16905310, 28739027, 57478054, 143695135, 287390270]

約数ペア:

[(1, 287390270), (2, 143695135), (5, 57478054), (10, 28739027), (17, 16905310), (34, 8452655), (85, 3381062), (170, 1690531), (277, 1037510), (289, 994430), (359, 800530), (554, 518755), (578, 497215), (718, 400265), (1385, 207502), (1445, 198886), (1795, 160106), (2770, 103751), (2890, 99443), (3590, 80053), (4709, 61030), (6103, 47090), (9418, 30515), (12206, 23545)]