201780395

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{1049}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 268531200

約数和(自身を除く): 66750805

約数列:

[1, 5, 17, 31, 73, 85, 155, 365, 527, 1049, 1241, 2263, 2635, 5245, 6205, 11315, 17833, 32519, 38471, 76577, 89165, 162595, 192355, 382885, 552823, 1301809, 2373887, 2764115, 6509045, 11869435, 40356079, 201780395]

約数ペア:

[(1, 201780395), (5, 40356079), (17, 11869435), (31, 6509045), (73, 2764115), (85, 2373887), (155, 1301809), (365, 552823), (527, 382885), (1049, 192355), (1241, 162595), (2263, 89165), (2635, 76577), (5245, 38471), (6205, 32519), (11315, 17833)]