28051430

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1\times {\mathrm{239}}^1$

素因数の和:365

約数の個数: 48

約数和(自身を含む): 56306880

約数和(自身を除く): 28255450

約数列:

[1, 2, 5, 10, 11, 22, 55, 97, 110, 121, 194, 239, 242, 478, 485, 605, 970, 1067, 1195, 1210, 2134, 2390, 2629, 5258, 5335, 10670, 11737, 13145, 23183, 23474, 26290, 28919, 46366, 57838, 58685, 115915, 117370, 144595, 231830, 255013, 289190, 510026, 1275065, 2550130, 2805143, 5610286, 14025715, 28051430]

約数ペア:

[(1, 28051430), (2, 14025715), (5, 5610286), (10, 2805143), (11, 2550130), (22, 1275065), (55, 510026), (97, 289190), (110, 255013), (121, 231830), (194, 144595), (239, 117370), (242, 115915), (478, 58685), (485, 57838), (605, 46366), (970, 28919), (1067, 26290), (1195, 23474), (1210, 23183), (2134, 13145), (2390, 11737), (2629, 10670), (5258, 5335)]