309940345

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{593}}^1$

素因数の和:682

約数の個数: 64

約数和(自身を含む): 474211584

約数和(自身を除く): 164271239

約数列:

[1, 5, 11, 13, 17, 43, 55, 65, 85, 143, 187, 215, 221, 473, 559, 593, 715, 731, 935, 1105, 2365, 2431, 2795, 2965, 3655, 6149, 6523, 7709, 8041, 9503, 10081, 12155, 25499, 30745, 32615, 38545, 40205, 47515, 50405, 84799, 104533, 110891, 127495, 131053, 280489, 331487, 423995, 433483, 522665, 554455, 655265, 1402445, 1441583, 1657435, 2167415, 3646357, 4768313, 5635279, 7207915, 18231785, 23841565, 28176395, 61988069, 309940345]

約数ペア:

[(1, 309940345), (5, 61988069), (11, 28176395), (13, 23841565), (17, 18231785), (43, 7207915), (55, 5635279), (65, 4768313), (85, 3646357), (143, 2167415), (187, 1657435), (215, 1441583), (221, 1402445), (473, 655265), (559, 554455), (593, 522665), (715, 433483), (731, 423995), (935, 331487), (1105, 280489), (2365, 131053), (2431, 127495), (2795, 110891), (2965, 104533), (3655, 84799), (6149, 50405), (6523, 47515), (7709, 40205), (8041, 38545), (9503, 32615), (10081, 30745), (12155, 25499)]