520300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1$

素因数の和:79

約数の個数: 54

約数和(自身を含む): 1269884

約数和(自身を除く): 749584

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 43, 44, 50, 55, 86, 100, 110, 121, 172, 215, 220, 242, 275, 430, 473, 484, 550, 605, 860, 946, 1075, 1100, 1210, 1892, 2150, 2365, 2420, 3025, 4300, 4730, 5203, 6050, 9460, 10406, 11825, 12100, 20812, 23650, 26015, 47300, 52030, 104060, 130075, 260150, 520300]

約数ペア:

[(1, 520300), (2, 260150), (4, 130075), (5, 104060), (10, 52030), (11, 47300), (20, 26015), (22, 23650), (25, 20812), (43, 12100), (44, 11825), (50, 10406), (55, 9460), (86, 6050), (100, 5203), (110, 4730), (121, 4300), (172, 3025), (215, 2420), (220, 2365), (242, 2150), (275, 1892), (430, 1210), (473, 1100), (484, 1075), (550, 946), (605, 860)]