2018445020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{499}}^1\times {\mathrm{11897}}^1$

素因数の和:12422

約数の個数: 48

約数和(自身を含む): 4497444000

約数和(自身を除く): 2478998980

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 499, 998, 1996, 2495, 4990, 8483, 9980, 11897, 16966, 23794, 33932, 42415, 47588, 59485, 84830, 118970, 169660, 202249, 237940, 404498, 808996, 1011245, 2022490, 4044980, 5936603, 11873206, 23746412, 29683015, 59366030, 100922251, 118732060, 201844502, 403689004, 504611255, 1009222510, 2018445020]

約数ペア:

[(1, 2018445020), (2, 1009222510), (4, 504611255), (5, 403689004), (10, 201844502), (17, 118732060), (20, 100922251), (34, 59366030), (68, 29683015), (85, 23746412), (170, 11873206), (340, 5936603), (499, 4044980), (998, 2022490), (1996, 1011245), (2495, 808996), (4990, 404498), (8483, 237940), (9980, 202249), (11897, 169660), (16966, 118970), (23794, 84830), (33932, 59485), (42415, 47588)]