72655550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{2239}}^1$

素因数の和:2321

約数の個数: 48

約数和(自身を含む): 149990400

約数和(自身を除く): 77334850

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 59, 110, 118, 275, 295, 550, 590, 649, 1298, 1475, 2239, 2950, 3245, 4478, 6490, 11195, 16225, 22390, 24629, 32450, 49258, 55975, 111950, 123145, 132101, 246290, 264202, 615725, 660505, 1231450, 1321010, 1453111, 2906222, 3302525, 6605050, 7265555, 14531110, 36327775, 72655550]

約数ペア:

[(1, 72655550), (2, 36327775), (5, 14531110), (10, 7265555), (11, 6605050), (22, 3302525), (25, 2906222), (50, 1453111), (55, 1321010), (59, 1231450), (110, 660505), (118, 615725), (275, 264202), (295, 246290), (550, 132101), (590, 123145), (649, 111950), (1298, 55975), (1475, 49258), (2239, 32450), (2950, 24629), (3245, 22390), (4478, 16225), (6490, 11195)]