305703710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{2447}}^1$

素因数の和:2529

約数の個数: 48

約数和(自身を含む): 612577728

約数和(自身を除く): 306874018

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 961, 1922, 2015, 2447, 4030, 4805, 4894, 9610, 12235, 12493, 24470, 24986, 31811, 62465, 63622, 75857, 124930, 151714, 159055, 318110, 379285, 758570, 986141, 1972282, 2351567, 4703134, 4930705, 9861410, 11757835, 23515670, 30570371, 61140742, 152851855, 305703710]

約数ペア:

[(1, 305703710), (2, 152851855), (5, 61140742), (10, 30570371), (13, 23515670), (26, 11757835), (31, 9861410), (62, 4930705), (65, 4703134), (130, 2351567), (155, 1972282), (310, 986141), (403, 758570), (806, 379285), (961, 318110), (1922, 159055), (2015, 151714), (2447, 124930), (4030, 75857), (4805, 63622), (4894, 62465), (9610, 31811), (12235, 24986), (12493, 24470)]