200511100

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{911}}^1$

素因数の和:1027

約数の個数: 72

約数和(自身を含む): 455970816

約数和(自身を除く): 255459716

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 71, 100, 124, 142, 155, 284, 310, 355, 620, 710, 775, 911, 1420, 1550, 1775, 1822, 2201, 3100, 3550, 3644, 4402, 4555, 7100, 8804, 9110, 11005, 18220, 22010, 22775, 28241, 44020, 45550, 55025, 56482, 64681, 91100, 110050, 112964, 129362, 141205, 220100, 258724, 282410, 323405, 564820, 646810, 706025, 1293620, 1412050, 1617025, 2005111, 2824100, 3234050, 4010222, 6468100, 8020444, 10025555, 20051110, 40102220, 50127775, 100255550, 200511100]

約数ペア:

[(1, 200511100), (2, 100255550), (4, 50127775), (5, 40102220), (10, 20051110), (20, 10025555), (25, 8020444), (31, 6468100), (50, 4010222), (62, 3234050), (71, 2824100), (100, 2005111), (124, 1617025), (142, 1412050), (155, 1293620), (284, 706025), (310, 646810), (355, 564820), (620, 323405), (710, 282410), (775, 258724), (911, 220100), (1420, 141205), (1550, 129362), (1775, 112964), (1822, 110050), (2201, 91100), (3100, 64681), (3550, 56482), (3644, 55025), (4402, 45550), (4555, 44020), (7100, 28241), (8804, 22775), (9110, 22010), (11005, 18220)]