338963920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^2\times {\mathrm{4409}}^1$

素因数の和:4484

約数の個数: 60

約数和(自身を含む): 814518180

約数和(自身を除く): 475554260

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 961, 1240, 1922, 2480, 3844, 4409, 4805, 7688, 8818, 9610, 15376, 17636, 19220, 22045, 35272, 38440, 44090, 70544, 76880, 88180, 136679, 176360, 273358, 352720, 546716, 683395, 1093432, 1366790, 2186864, 2733580, 4237049, 5467160, 8474098, 10934320, 16948196, 21185245, 33896392, 42370490, 67792784, 84740980, 169481960, 338963920]

約数ペア:

[(1, 338963920), (2, 169481960), (4, 84740980), (5, 67792784), (8, 42370490), (10, 33896392), (16, 21185245), (20, 16948196), (31, 10934320), (40, 8474098), (62, 5467160), (80, 4237049), (124, 2733580), (155, 2186864), (248, 1366790), (310, 1093432), (496, 683395), (620, 546716), (961, 352720), (1240, 273358), (1922, 176360), (2480, 136679), (3844, 88180), (4409, 76880), (4805, 70544), (7688, 44090), (8818, 38440), (9610, 35272), (15376, 22045), (17636, 19220)]