209901160

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{8423}}^1$

素因数の和:8530

約数の個数: 64

約数和(自身を含む): 545875200

約数和(自身を除く): 335974040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 89, 140, 178, 280, 356, 445, 623, 712, 890, 1246, 1780, 2492, 3115, 3560, 4984, 6230, 8423, 12460, 16846, 24920, 33692, 42115, 58961, 67384, 84230, 117922, 168460, 235844, 294805, 336920, 471688, 589610, 749647, 1179220, 1499294, 2358440, 2998588, 3748235, 5247529, 5997176, 7496470, 10495058, 14992940, 20990116, 26237645, 29985880, 41980232, 52475290, 104950580, 209901160]

約数ペア:

[(1, 209901160), (2, 104950580), (4, 52475290), (5, 41980232), (7, 29985880), (8, 26237645), (10, 20990116), (14, 14992940), (20, 10495058), (28, 7496470), (35, 5997176), (40, 5247529), (56, 3748235), (70, 2998588), (89, 2358440), (140, 1499294), (178, 1179220), (280, 749647), (356, 589610), (445, 471688), (623, 336920), (712, 294805), (890, 235844), (1246, 168460), (1780, 117922), (2492, 84230), (3115, 67384), (3560, 58961), (4984, 42115), (6230, 33692), (8423, 24920), (12460, 16846)]