2005390740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{470749}}^1$

素因数の和:470832

約数の個数: 48

約数和(自身を含む): 5694192000

約数和(自身を除く): 3688801260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 470749, 941498, 1412247, 1882996, 2353745, 2824494, 4707490, 5648988, 7061235, 9414980, 14122470, 28244940, 33423179, 66846358, 100269537, 133692716, 167115895, 200539074, 334231790, 401078148, 501347685, 668463580, 1002695370, 2005390740]

約数ペア:

[(1, 2005390740), (2, 1002695370), (3, 668463580), (4, 501347685), (5, 401078148), (6, 334231790), (10, 200539074), (12, 167115895), (15, 133692716), (20, 100269537), (30, 66846358), (60, 33423179), (71, 28244940), (142, 14122470), (213, 9414980), (284, 7061235), (355, 5648988), (426, 4707490), (710, 2824494), (852, 2353745), (1065, 1882996), (1420, 1412247), (2130, 941498), (4260, 470749)]