2009905179940

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{37}}^1\times {\mathrm{55430369}}^1$

素因数の和:55430429

約数の個数: 72

約数和(自身を含む): 5042611619640

約数和(自身を除く): 3032706439700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 37, 49, 70, 74, 98, 140, 148, 185, 196, 245, 259, 370, 490, 518, 740, 980, 1036, 1295, 1813, 2590, 3626, 5180, 7252, 9065, 18130, 36260, 55430369, 110860738, 221721476, 277151845, 388012583, 554303690, 776025166, 1108607380, 1552050332, 1940062915, 2050923653, 2716088081, 3880125830, 4101847306, 5432176162, 7760251660, 8203694612, 10254618265, 10864352324, 13580440405, 14356465571, 20509236530, 27160880810, 28712931142, 41018473060, 54321761620, 57425862284, 71782327855, 100495258997, 143564655710, 200990517994, 287129311420, 401981035988, 502476294985, 1004952589970, 2009905179940]

約数ペア:

[(1, 2009905179940), (2, 1004952589970), (4, 502476294985), (5, 401981035988), (7, 287129311420), (10, 200990517994), (14, 143564655710), (20, 100495258997), (28, 71782327855), (35, 57425862284), (37, 54321761620), (49, 41018473060), (70, 28712931142), (74, 27160880810), (98, 20509236530), (140, 14356465571), (148, 13580440405), (185, 10864352324), (196, 10254618265), (245, 8203694612), (259, 7760251660), (370, 5432176162), (490, 4101847306), (518, 3880125830), (740, 2716088081), (980, 2050923653), (1036, 1940062915), (1295, 1552050332), (1813, 1108607380), (2590, 776025166), (3626, 554303690), (5180, 388012583), (7252, 277151845), (9065, 221721476), (18130, 110860738), (36260, 55430369)]