18784400450

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{1777}}^1\times {\mathrm{3989}}^1$

素因数の和:5831

約数の個数: 48

約数和(自身を含む): 35627172840

約数和(自身を除く): 16842772390

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 1777, 2650, 3554, 3989, 7978, 8885, 17770, 19945, 39890, 44425, 88850, 94181, 99725, 188362, 199450, 211417, 422834, 470905, 941810, 1057085, 2114170, 2354525, 4709050, 5285425, 7088453, 10570850, 14176906, 35442265, 70884530, 177211325, 354422650, 375688009, 751376018, 1878440045, 3756880090, 9392200225, 18784400450]

約数ペア:

[(1, 18784400450), (2, 9392200225), (5, 3756880090), (10, 1878440045), (25, 751376018), (50, 375688009), (53, 354422650), (106, 177211325), (265, 70884530), (530, 35442265), (1325, 14176906), (1777, 10570850), (2650, 7088453), (3554, 5285425), (3989, 4709050), (7978, 2354525), (8885, 2114170), (17770, 1057085), (19945, 941810), (39890, 470905), (44425, 422834), (88850, 211417), (94181, 199450), (99725, 188362)]