31001300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{28183}}^1$

素因数の和:28208

約数の個数: 36

約数和(自身を含む): 73391136

約数和(自身を除く): 42389836

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 28183, 56366, 112732, 140915, 281830, 310013, 563660, 620026, 704575, 1240052, 1409150, 1550065, 2818300, 3100130, 6200260, 7750325, 15500650, 31001300]

約数ペア:

[(1, 31001300), (2, 15500650), (4, 7750325), (5, 6200260), (10, 3100130), (11, 2818300), (20, 1550065), (22, 1409150), (25, 1240052), (44, 704575), (50, 620026), (55, 563660), (100, 310013), (110, 281830), (220, 140915), (275, 112732), (550, 56366), (1100, 28183)]