491036000225

素因数分解:

$5^2\times {\mathrm{31}}^1\times {\mathrm{643}}^1\times {\mathrm{967}}^1\times {\mathrm{1019}}^1$

素因数の和:2670

約数の個数: 48

約数和(自身を含む): 630772961280

約数和(自身を除く): 139736961055

約数列:

[1, 5, 25, 31, 155, 643, 775, 967, 1019, 3215, 4835, 5095, 16075, 19933, 24175, 25475, 29977, 31589, 99665, 149885, 157945, 498325, 621781, 655217, 749425, 789725, 985373, 3108905, 3276085, 4926865, 15544525, 16380425, 19275211, 20311727, 24634325, 30546563, 96376055, 101558635, 152732815, 481880275, 507793175, 633594839, 763664075, 3167974195, 15839870975, 19641440009, 98207200045, 491036000225]

約数ペア:

[(1, 491036000225), (5, 98207200045), (25, 19641440009), (31, 15839870975), (155, 3167974195), (643, 763664075), (775, 633594839), (967, 507793175), (1019, 481880275), (3215, 152732815), (4835, 101558635), (5095, 96376055), (16075, 30546563), (19933, 24634325), (24175, 20311727), (25475, 19275211), (29977, 16380425), (31589, 15544525), (99665, 4926865), (149885, 3276085), (157945, 3108905), (498325, 985373), (621781, 789725), (655217, 749425)]