401047900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{443}}^1\times {\mathrm{823}}^1$

素因数の和:1291

約数の個数: 72

約数和(自身を含む): 952689024

約数和(自身を除く): 551641124

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 443, 550, 823, 886, 1100, 1646, 1772, 2215, 3292, 4115, 4430, 4873, 8230, 8860, 9053, 9746, 11075, 16460, 18106, 19492, 20575, 22150, 24365, 36212, 41150, 44300, 45265, 48730, 82300, 90530, 97460, 121825, 181060, 226325, 243650, 364589, 452650, 487300, 729178, 905300, 1458356, 1822945, 3645890, 4010479, 7291780, 8020958, 9114725, 16041916, 18229450, 20052395, 36458900, 40104790, 80209580, 100261975, 200523950, 401047900]

約数ペア:

[(1, 401047900), (2, 200523950), (4, 100261975), (5, 80209580), (10, 40104790), (11, 36458900), (20, 20052395), (22, 18229450), (25, 16041916), (44, 9114725), (50, 8020958), (55, 7291780), (100, 4010479), (110, 3645890), (220, 1822945), (275, 1458356), (443, 905300), (550, 729178), (823, 487300), (886, 452650), (1100, 364589), (1646, 243650), (1772, 226325), (2215, 181060), (3292, 121825), (4115, 97460), (4430, 90530), (4873, 82300), (8230, 48730), (8860, 45265), (9053, 44300), (9746, 41150), (11075, 36212), (16460, 24365), (18106, 22150), (19492, 20575)]