11001100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 72

約数和(自身を含む): 26592048

約数和(自身を除く): 15590948

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 73, 100, 110, 137, 146, 220, 274, 275, 292, 365, 548, 550, 685, 730, 803, 1100, 1370, 1460, 1507, 1606, 1825, 2740, 3014, 3212, 3425, 3650, 4015, 6028, 6850, 7300, 7535, 8030, 10001, 13700, 15070, 16060, 20002, 20075, 30140, 37675, 40004, 40150, 50005, 75350, 80300, 100010, 110011, 150700, 200020, 220022, 250025, 440044, 500050, 550055, 1000100, 1100110, 2200220, 2750275, 5500550, 11001100]

約数ペア:

[(1, 11001100), (2, 5500550), (4, 2750275), (5, 2200220), (10, 1100110), (11, 1000100), (20, 550055), (22, 500050), (25, 440044), (44, 250025), (50, 220022), (55, 200020), (73, 150700), (100, 110011), (110, 100010), (137, 80300), (146, 75350), (220, 50005), (274, 40150), (275, 40004), (292, 37675), (365, 30140), (548, 20075), (550, 20002), (685, 16060), (730, 15070), (803, 13700), (1100, 10001), (1370, 8030), (1460, 7535), (1507, 7300), (1606, 6850), (1825, 6028), (2740, 4015), (3014, 3650), (3212, 3425)]