1900985815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1097}}^1$

素因数の和:1204

約数の個数: 64

約数和(自身を含む): 2703715200

約数和(自身を除く): 802729385

約数列:

[1, 5, 17, 19, 29, 37, 85, 95, 145, 185, 323, 493, 551, 629, 703, 1073, 1097, 1615, 2465, 2755, 3145, 3515, 5365, 5485, 9367, 11951, 18241, 18649, 20387, 20843, 31813, 40589, 46835, 59755, 91205, 93245, 101935, 104215, 159065, 202945, 346579, 354331, 540821, 604447, 690013, 771191, 1177081, 1732895, 1771655, 2704105, 3022235, 3450065, 3855955, 5885405, 10275599, 13110247, 20010377, 22364539, 51377995, 65551235, 100051885, 111822695, 380197163, 1900985815]

約数ペア:

[(1, 1900985815), (5, 380197163), (17, 111822695), (19, 100051885), (29, 65551235), (37, 51377995), (85, 22364539), (95, 20010377), (145, 13110247), (185, 10275599), (323, 5885405), (493, 3855955), (551, 3450065), (629, 3022235), (703, 2704105), (1073, 1771655), (1097, 1732895), (1615, 1177081), (2465, 771191), (2755, 690013), (3145, 604447), (3515, 540821), (5365, 354331), (5485, 346579), (9367, 202945), (11951, 159065), (18241, 104215), (18649, 101935), (20387, 93245), (20843, 91205), (31813, 59755), (40589, 46835)]