201908720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{367}}^1$

素因数の和:439

約数の個数: 120

約数和(自身を含む): 529924416

約数和(自身を除く): 328015696

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 40, 46, 52, 65, 80, 92, 104, 115, 130, 184, 208, 230, 260, 299, 367, 368, 460, 520, 529, 598, 734, 920, 1040, 1058, 1196, 1468, 1495, 1835, 1840, 2116, 2392, 2645, 2936, 2990, 3670, 4232, 4771, 4784, 5290, 5872, 5980, 6877, 7340, 8441, 8464, 9542, 10580, 11960, 13754, 14680, 16882, 19084, 21160, 23855, 23920, 27508, 29360, 33764, 34385, 38168, 42205, 42320, 47710, 55016, 67528, 68770, 76336, 84410, 95420, 109733, 110032, 135056, 137540, 168820, 190840, 194143, 219466, 275080, 337640, 381680, 388286, 438932, 548665, 550160, 675280, 776572, 877864, 970715, 1097330, 1553144, 1755728, 1941430, 2194660, 2523859, 3106288, 3882860, 4389320, 5047718, 7765720, 8778640, 10095436, 12619295, 15531440, 20190872, 25238590, 40381744, 50477180, 100954360, 201908720]

約数ペア:

[(1, 201908720), (2, 100954360), (4, 50477180), (5, 40381744), (8, 25238590), (10, 20190872), (13, 15531440), (16, 12619295), (20, 10095436), (23, 8778640), (26, 7765720), (40, 5047718), (46, 4389320), (52, 3882860), (65, 3106288), (80, 2523859), (92, 2194660), (104, 1941430), (115, 1755728), (130, 1553144), (184, 1097330), (208, 970715), (230, 877864), (260, 776572), (299, 675280), (367, 550160), (368, 548665), (460, 438932), (520, 388286), (529, 381680), (598, 337640), (734, 275080), (920, 219466), (1040, 194143), (1058, 190840), (1196, 168820), (1468, 137540), (1495, 135056), (1835, 110032), (1840, 109733), (2116, 95420), (2392, 84410), (2645, 76336), (2936, 68770), (2990, 67528), (3670, 55016), (4232, 47710), (4771, 42320), (4784, 42205), (5290, 38168), (5872, 34385), (5980, 33764), (6877, 29360), (7340, 27508), (8441, 23920), (8464, 23855), (9542, 21160), (10580, 19084), (11960, 16882), (13754, 14680)]