149748760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{2081}}^1$

素因数の和:2356

約数の個数: 64

約数和(自身を含む): 386752320

約数和(自身を除く): 237003560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 257, 280, 514, 1028, 1285, 1799, 2056, 2081, 2570, 3598, 4162, 5140, 7196, 8324, 8995, 10280, 10405, 14392, 14567, 16648, 17990, 20810, 29134, 35980, 41620, 58268, 71960, 72835, 83240, 116536, 145670, 291340, 534817, 582680, 1069634, 2139268, 2674085, 3743719, 4278536, 5348170, 7487438, 10696340, 14974876, 18718595, 21392680, 29949752, 37437190, 74874380, 149748760]

約数ペア:

[(1, 149748760), (2, 74874380), (4, 37437190), (5, 29949752), (7, 21392680), (8, 18718595), (10, 14974876), (14, 10696340), (20, 7487438), (28, 5348170), (35, 4278536), (40, 3743719), (56, 2674085), (70, 2139268), (140, 1069634), (257, 582680), (280, 534817), (514, 291340), (1028, 145670), (1285, 116536), (1799, 83240), (2056, 72835), (2081, 71960), (2570, 58268), (3598, 41620), (4162, 35980), (5140, 29134), (7196, 20810), (8324, 17990), (8995, 16648), (10280, 14567), (10405, 14392)]