160987990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^2$

素因数の和:289

約数の個数: 48

約数和(自身を含む): 308026800

約数和(自身を除く): 147038810

約数列:

[1, 2, 5, 10, 29, 58, 59, 97, 118, 145, 194, 290, 295, 485, 590, 970, 1711, 2813, 3422, 5626, 5723, 8555, 9409, 11446, 14065, 17110, 18818, 28130, 28615, 47045, 57230, 94090, 165967, 272861, 331934, 545722, 555131, 829835, 1110262, 1364305, 1659670, 2728610, 2775655, 5551310, 16098799, 32197598, 80493995, 160987990]

約数ペア:

[(1, 160987990), (2, 80493995), (5, 32197598), (10, 16098799), (29, 5551310), (58, 2775655), (59, 2728610), (97, 1659670), (118, 1364305), (145, 1110262), (194, 829835), (290, 555131), (295, 545722), (485, 331934), (590, 272861), (970, 165967), (1711, 94090), (2813, 57230), (3422, 47045), (5626, 28615), (5723, 28130), (8555, 18818), (9409, 17110), (11446, 14065)]