1387195280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{597929}}^1$

素因数の和:597971

約数の個数: 40

約数和(自身を含む): 3336449400

約数和(自身を除く): 1949254120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 597929, 1195858, 2391716, 2989645, 4783432, 5979290, 9566864, 11958580, 17339941, 23917160, 34679882, 47834320, 69359764, 86699705, 138719528, 173399410, 277439056, 346798820, 693597640, 1387195280]

約数ペア:

[(1, 1387195280), (2, 693597640), (4, 346798820), (5, 277439056), (8, 173399410), (10, 138719528), (16, 86699705), (20, 69359764), (29, 47834320), (40, 34679882), (58, 23917160), (80, 17339941), (116, 11958580), (145, 9566864), (232, 5979290), (290, 4783432), (464, 2989645), (580, 2391716), (1160, 1195858), (2320, 597929)]