2000996420

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1103}}^1\times {\mathrm{1487}}^1$

素因数の和:2660

約数の個数: 48

約数和(自身を含む): 4277726208

約数和(自身を除く): 2276729788

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1103, 1220, 1487, 2206, 2974, 4412, 5515, 5948, 7435, 11030, 14870, 22060, 29740, 67283, 90707, 134566, 181414, 269132, 336415, 362828, 453535, 672830, 907070, 1345660, 1640161, 1814140, 3280322, 6560644, 8200805, 16401610, 32803220, 100049821, 200099642, 400199284, 500249105, 1000498210, 2000996420]

約数ペア:

[(1, 2000996420), (2, 1000498210), (4, 500249105), (5, 400199284), (10, 200099642), (20, 100049821), (61, 32803220), (122, 16401610), (244, 8200805), (305, 6560644), (610, 3280322), (1103, 1814140), (1220, 1640161), (1487, 1345660), (2206, 907070), (2974, 672830), (4412, 453535), (5515, 362828), (5948, 336415), (7435, 269132), (11030, 181414), (14870, 134566), (22060, 90707), (29740, 67283)]