389658100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8101}}^1$

素因数の和:8165

約数の個数: 72

約数和(自身を含む): 935327288

約数和(自身を除く): 545669188

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 37, 50, 52, 65, 74, 100, 130, 148, 185, 260, 325, 370, 481, 650, 740, 925, 962, 1300, 1850, 1924, 2405, 3700, 4810, 8101, 9620, 12025, 16202, 24050, 32404, 40505, 48100, 81010, 105313, 162020, 202525, 210626, 299737, 405050, 421252, 526565, 599474, 810100, 1053130, 1198948, 1498685, 2106260, 2632825, 2997370, 3896581, 5265650, 5994740, 7493425, 7793162, 10531300, 14986850, 15586324, 19482905, 29973700, 38965810, 77931620, 97414525, 194829050, 389658100]

約数ペア:

[(1, 389658100), (2, 194829050), (4, 97414525), (5, 77931620), (10, 38965810), (13, 29973700), (20, 19482905), (25, 15586324), (26, 14986850), (37, 10531300), (50, 7793162), (52, 7493425), (65, 5994740), (74, 5265650), (100, 3896581), (130, 2997370), (148, 2632825), (185, 2106260), (260, 1498685), (325, 1198948), (370, 1053130), (481, 810100), (650, 599474), (740, 526565), (925, 421252), (962, 405050), (1300, 299737), (1850, 210626), (1924, 202525), (2405, 162020), (3700, 105313), (4810, 81010), (8101, 48100), (9620, 40505), (12025, 32404), (16202, 24050)]