287721160

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1097}}^1$

素因数の和:1270

約数の個数: 64

約数和(自身を含む): 664070400

約数和(自身を除く): 376349240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 83, 158, 166, 316, 332, 395, 415, 632, 664, 790, 830, 1097, 1580, 1660, 2194, 3160, 3320, 4388, 5485, 6557, 8776, 10970, 13114, 21940, 26228, 32785, 43880, 52456, 65570, 86663, 91051, 131140, 173326, 182102, 262280, 346652, 364204, 433315, 455255, 693304, 728408, 866630, 910510, 1733260, 1821020, 3466520, 3642040, 7193029, 14386058, 28772116, 35965145, 57544232, 71930290, 143860580, 287721160]

約数ペア:

[(1, 287721160), (2, 143860580), (4, 71930290), (5, 57544232), (8, 35965145), (10, 28772116), (20, 14386058), (40, 7193029), (79, 3642040), (83, 3466520), (158, 1821020), (166, 1733260), (316, 910510), (332, 866630), (395, 728408), (415, 693304), (632, 455255), (664, 433315), (790, 364204), (830, 346652), (1097, 262280), (1580, 182102), (1660, 173326), (2194, 131140), (3160, 91051), (3320, 86663), (4388, 65570), (5485, 52456), (6557, 43880), (8776, 32785), (10970, 26228), (13114, 21940)]