201539256940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{661}}^1\times {\mathrm{311123}}^1$

素因数の和:311807

約数の個数: 72

約数和(自身を含む): 493078026672

約数和(自身を除く): 291538769732

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 661, 980, 1322, 2644, 3305, 4627, 6610, 9254, 13220, 18508, 23135, 32389, 46270, 64778, 92540, 129556, 161945, 311123, 323890, 622246, 647780, 1244492, 1555615, 2177861, 3111230, 4355722, 6222460, 8711444, 10889305, 15245027, 21778610, 30490054, 43557220, 60980108, 76225135, 152450270, 205652303, 304900540, 411304606, 822609212, 1028261515, 1439566121, 2056523030, 2879132242, 4113046060, 5758264484, 7197830605, 10076962847, 14395661210, 20153925694, 28791322420, 40307851388, 50384814235, 100769628470, 201539256940]

約数ペア:

[(1, 201539256940), (2, 100769628470), (4, 50384814235), (5, 40307851388), (7, 28791322420), (10, 20153925694), (14, 14395661210), (20, 10076962847), (28, 7197830605), (35, 5758264484), (49, 4113046060), (70, 2879132242), (98, 2056523030), (140, 1439566121), (196, 1028261515), (245, 822609212), (490, 411304606), (661, 304900540), (980, 205652303), (1322, 152450270), (2644, 76225135), (3305, 60980108), (4627, 43557220), (6610, 30490054), (9254, 21778610), (13220, 15245027), (18508, 10889305), (23135, 8711444), (32389, 6222460), (46270, 4355722), (64778, 3111230), (92540, 2177861), (129556, 1555615), (161945, 1244492), (311123, 647780), (323890, 622246)]