278845280

素因数分解:

$2^5\times 5^1\times 7^3\times {\mathrm{5081}}^1$

素因数の和:5117

約数の個数: 96

約数和(自身を含む): 768398400

約数和(自身を除く): 489553120

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 343, 392, 490, 560, 686, 784, 980, 1120, 1372, 1568, 1715, 1960, 2744, 3430, 3920, 5081, 5488, 6860, 7840, 10162, 10976, 13720, 20324, 25405, 27440, 35567, 40648, 50810, 54880, 71134, 81296, 101620, 142268, 162592, 177835, 203240, 248969, 284536, 355670, 406480, 497938, 569072, 711340, 812960, 995876, 1138144, 1244845, 1422680, 1742783, 1991752, 2489690, 2845360, 3485566, 3983504, 4979380, 5690720, 6971132, 7967008, 8713915, 9958760, 13942264, 17427830, 19917520, 27884528, 34855660, 39835040, 55769056, 69711320, 139422640, 278845280]

約数ペア:

[(1, 278845280), (2, 139422640), (4, 69711320), (5, 55769056), (7, 39835040), (8, 34855660), (10, 27884528), (14, 19917520), (16, 17427830), (20, 13942264), (28, 9958760), (32, 8713915), (35, 7967008), (40, 6971132), (49, 5690720), (56, 4979380), (70, 3983504), (80, 3485566), (98, 2845360), (112, 2489690), (140, 1991752), (160, 1742783), (196, 1422680), (224, 1244845), (245, 1138144), (280, 995876), (343, 812960), (392, 711340), (490, 569072), (560, 497938), (686, 406480), (784, 355670), (980, 284536), (1120, 248969), (1372, 203240), (1568, 177835), (1715, 162592), (1960, 142268), (2744, 101620), (3430, 81296), (3920, 71134), (5081, 54880), (5488, 50810), (6860, 40648), (7840, 35567), (10162, 27440), (10976, 25405), (13720, 20324)]