811471870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{769}}^1$

素因数の和:1021

約数の個数: 64

約数和(自身を含む): 1634592960

約数和(自身を除く): 823121090

約数列:

[1, 2, 5, 10, 11, 22, 53, 55, 106, 110, 181, 265, 362, 530, 583, 769, 905, 1166, 1538, 1810, 1991, 2915, 3845, 3982, 5830, 7690, 8459, 9593, 9955, 16918, 19186, 19910, 40757, 42295, 47965, 81514, 84590, 95930, 105523, 139189, 203785, 211046, 278378, 407570, 448327, 527615, 695945, 896654, 1055230, 1391890, 1531079, 2241635, 3062158, 4483270, 7377017, 7655395, 14754034, 15310790, 36885085, 73770170, 81147187, 162294374, 405735935, 811471870]

約数ペア:

[(1, 811471870), (2, 405735935), (5, 162294374), (10, 81147187), (11, 73770170), (22, 36885085), (53, 15310790), (55, 14754034), (106, 7655395), (110, 7377017), (181, 4483270), (265, 3062158), (362, 2241635), (530, 1531079), (583, 1391890), (769, 1055230), (905, 896654), (1166, 695945), (1538, 527615), (1810, 448327), (1991, 407570), (2915, 278378), (3845, 211046), (3982, 203785), (5830, 139189), (7690, 105523), (8459, 95930), (9593, 84590), (9955, 81514), (16918, 47965), (19186, 42295), (19910, 40757)]