202468720

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:682

約数の個数: 80

約数和(自身を含む): 490548960

約数和(自身を除く): 288080240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 197, 232, 290, 394, 443, 464, 580, 788, 886, 985, 1160, 1576, 1772, 1970, 2215, 2320, 3152, 3544, 3940, 4430, 5713, 7088, 7880, 8860, 11426, 12847, 15760, 17720, 22852, 25694, 28565, 35440, 45704, 51388, 57130, 64235, 87271, 91408, 102776, 114260, 128470, 174542, 205552, 228520, 256940, 349084, 436355, 457040, 513880, 698168, 872710, 1027760, 1396336, 1745420, 2530859, 3490840, 5061718, 6981680, 10123436, 12654295, 20246872, 25308590, 40493744, 50617180, 101234360, 202468720]

約数ペア:

[(1, 202468720), (2, 101234360), (4, 50617180), (5, 40493744), (8, 25308590), (10, 20246872), (16, 12654295), (20, 10123436), (29, 6981680), (40, 5061718), (58, 3490840), (80, 2530859), (116, 1745420), (145, 1396336), (197, 1027760), (232, 872710), (290, 698168), (394, 513880), (443, 457040), (464, 436355), (580, 349084), (788, 256940), (886, 228520), (985, 205552), (1160, 174542), (1576, 128470), (1772, 114260), (1970, 102776), (2215, 91408), (2320, 87271), (3152, 64235), (3544, 57130), (3940, 51388), (4430, 45704), (5713, 35440), (7088, 28565), (7880, 25694), (8860, 22852), (11426, 17720), (12847, 15760)]