880901450

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{123203}}^1$

素因数の和:123239

約数の個数: 48

約数和(自身を含む): 1924939296

約数和(自身を除く): 1044037846

約数列:

[1, 2, 5, 10, 11, 13, 22, 25, 26, 50, 55, 65, 110, 130, 143, 275, 286, 325, 550, 650, 715, 1430, 3575, 7150, 123203, 246406, 616015, 1232030, 1355233, 1601639, 2710466, 3080075, 3203278, 6160150, 6776165, 8008195, 13552330, 16016390, 17618029, 33880825, 35236058, 40040975, 67761650, 80081950, 88090145, 176180290, 440450725, 880901450]

約数ペア:

[(1, 880901450), (2, 440450725), (5, 176180290), (10, 88090145), (11, 80081950), (13, 67761650), (22, 40040975), (25, 35236058), (26, 33880825), (50, 17618029), (55, 16016390), (65, 13552330), (110, 8008195), (130, 6776165), (143, 6160150), (275, 3203278), (286, 3080075), (325, 2710466), (550, 1601639), (650, 1355233), (715, 1232030), (1430, 616015), (3575, 246406), (7150, 123203)]