202040920

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{3761}}^1$

素因数の和:3868

約数の個数: 64

約数和(自身を含む): 487555200

約数和(自身を除く): 285514280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 79, 85, 136, 158, 170, 316, 340, 395, 632, 680, 790, 1343, 1580, 2686, 3160, 3761, 5372, 6715, 7522, 10744, 13430, 15044, 18805, 26860, 30088, 37610, 53720, 63937, 75220, 127874, 150440, 255748, 297119, 319685, 511496, 594238, 639370, 1188476, 1278740, 1485595, 2376952, 2557480, 2971190, 5051023, 5942380, 10102046, 11884760, 20204092, 25255115, 40408184, 50510230, 101020460, 202040920]

約数ペア:

[(1, 202040920), (2, 101020460), (4, 50510230), (5, 40408184), (8, 25255115), (10, 20204092), (17, 11884760), (20, 10102046), (34, 5942380), (40, 5051023), (68, 2971190), (79, 2557480), (85, 2376952), (136, 1485595), (158, 1278740), (170, 1188476), (316, 639370), (340, 594238), (395, 511496), (632, 319685), (680, 297119), (790, 255748), (1343, 150440), (1580, 127874), (2686, 75220), (3160, 63937), (3761, 53720), (5372, 37610), (6715, 30088), (7522, 26860), (10744, 18805), (13430, 15044)]