123018860

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{2113}}^1$

素因数の和:2234

約数の個数: 48

約数和(自身を含む): 268494912

約数和(自身を除く): 145476052

約数列:

[1, 2, 4, 5, 10, 20, 41, 71, 82, 142, 164, 205, 284, 355, 410, 710, 820, 1420, 2113, 2911, 4226, 5822, 8452, 10565, 11644, 14555, 21130, 29110, 42260, 58220, 86633, 150023, 173266, 300046, 346532, 433165, 600092, 750115, 866330, 1500230, 1732660, 3000460, 6150943, 12301886, 24603772, 30754715, 61509430, 123018860]

約数ペア:

[(1, 123018860), (2, 61509430), (4, 30754715), (5, 24603772), (10, 12301886), (20, 6150943), (41, 3000460), (71, 1732660), (82, 1500230), (142, 866330), (164, 750115), (205, 600092), (284, 433165), (355, 346532), (410, 300046), (710, 173266), (820, 150023), (1420, 86633), (2113, 58220), (2911, 42260), (4226, 29110), (5822, 21130), (8452, 14555), (10565, 11644)]