2005121310

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{607}}^1\times {\mathrm{739}}^1$

素因数の和:1505

約数の個数: 64

約数和(自身を含む): 4859136000

約数和(自身を除く): 2854014690

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 149, 298, 447, 607, 739, 745, 894, 1214, 1478, 1490, 1821, 2217, 2235, 3035, 3642, 3695, 4434, 4470, 6070, 7390, 9105, 11085, 18210, 22170, 90443, 110111, 180886, 220222, 271329, 330333, 448573, 452215, 542658, 550555, 660666, 897146, 904430, 1101110, 1345719, 1356645, 1651665, 2242865, 2691438, 2713290, 3303330, 4485730, 6728595, 13457190, 66837377, 133674754, 200512131, 334186885, 401024262, 668373770, 1002560655, 2005121310]

約数ペア:

[(1, 2005121310), (2, 1002560655), (3, 668373770), (5, 401024262), (6, 334186885), (10, 200512131), (15, 133674754), (30, 66837377), (149, 13457190), (298, 6728595), (447, 4485730), (607, 3303330), (739, 2713290), (745, 2691438), (894, 2242865), (1214, 1651665), (1478, 1356645), (1490, 1345719), (1821, 1101110), (2217, 904430), (2235, 897146), (3035, 660666), (3642, 550555), (3695, 542658), (4434, 452215), (4470, 448573), (6070, 330333), (7390, 271329), (9105, 220222), (11085, 180886), (18210, 110111), (22170, 90443)]