30240872

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1999}}^1$

素因数の和:2097

約数の個数: 32

約数和(自身を含む): 59520000

約数和(自身を除く): 29279128

約数列:

[1, 2, 4, 8, 31, 61, 62, 122, 124, 244, 248, 488, 1891, 1999, 3782, 3998, 7564, 7996, 15128, 15992, 61969, 121939, 123938, 243878, 247876, 487756, 495752, 975512, 3780109, 7560218, 15120436, 30240872]

約数ペア:

[(1, 30240872), (2, 15120436), (4, 7560218), (8, 3780109), (31, 975512), (61, 495752), (62, 487756), (122, 247876), (124, 243878), (244, 123938), (248, 121939), (488, 61969), (1891, 15992), (1999, 15128), (3782, 7996), (3998, 7564)]