202946980

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{28109}}^1$

素因数の和:28156

約数の個数: 36

約数和(自身を含む): 449816220

約数和(自身を除く): 246869240

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 361, 380, 722, 1444, 1805, 3610, 7220, 28109, 56218, 112436, 140545, 281090, 534071, 562180, 1068142, 2136284, 2670355, 5340710, 10147349, 10681420, 20294698, 40589396, 50736745, 101473490, 202946980]

約数ペア:

[(1, 202946980), (2, 101473490), (4, 50736745), (5, 40589396), (10, 20294698), (19, 10681420), (20, 10147349), (38, 5340710), (76, 2670355), (95, 2136284), (190, 1068142), (361, 562180), (380, 534071), (722, 281090), (1444, 140545), (1805, 112436), (3610, 56218), (7220, 28109)]