878982050

素因数分解:

$2^1\times 5^2\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{857}}^1$

素因数の和:1223

約数の個数: 48

約数和(自身を含む): 1665141192

約数和(自身を除く): 786159142

約数列:

[1, 2, 5, 10, 25, 50, 73, 146, 281, 365, 562, 730, 857, 1405, 1714, 1825, 2810, 3650, 4285, 7025, 8570, 14050, 20513, 21425, 41026, 42850, 62561, 102565, 125122, 205130, 240817, 312805, 481634, 512825, 625610, 1025650, 1204085, 1564025, 2408170, 3128050, 6020425, 12040850, 17579641, 35159282, 87898205, 175796410, 439491025, 878982050]

約数ペア:

[(1, 878982050), (2, 439491025), (5, 175796410), (10, 87898205), (25, 35159282), (50, 17579641), (73, 12040850), (146, 6020425), (281, 3128050), (365, 2408170), (562, 1564025), (730, 1204085), (857, 1025650), (1405, 625610), (1714, 512825), (1825, 481634), (2810, 312805), (3650, 240817), (4285, 205130), (7025, 125122), (8570, 102565), (14050, 62561), (20513, 42850), (21425, 41026)]