201986575

素因数分解:

$5^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 311444352

約数和(自身を除く): 109457777

約数列:

[1, 5, 7, 23, 25, 35, 49, 67, 107, 115, 161, 175, 245, 335, 469, 535, 575, 749, 805, 1127, 1225, 1541, 1675, 2345, 2461, 2675, 3283, 3745, 4025, 5243, 5635, 7169, 7705, 10787, 11725, 12305, 16415, 17227, 18725, 26215, 28175, 35845, 38525, 50183, 53935, 61525, 75509, 82075, 86135, 120589, 131075, 164887, 179225, 250915, 269675, 351281, 377545, 430675, 602945, 824435, 1154209, 1254575, 1756405, 1887725, 3014725, 4122175, 5771045, 8079463, 8782025, 28855225, 40397315, 201986575]

約数ペア:

[(1, 201986575), (5, 40397315), (7, 28855225), (23, 8782025), (25, 8079463), (35, 5771045), (49, 4122175), (67, 3014725), (107, 1887725), (115, 1756405), (161, 1254575), (175, 1154209), (245, 824435), (335, 602945), (469, 430675), (535, 377545), (575, 351281), (749, 269675), (805, 250915), (1127, 179225), (1225, 164887), (1541, 131075), (1675, 120589), (2345, 86135), (2461, 82075), (2675, 75509), (3283, 61525), (3745, 53935), (4025, 50183), (5243, 38525), (5635, 35845), (7169, 28175), (7705, 26215), (10787, 18725), (11725, 17227), (12305, 16415)]