284222950

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^2\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:574

約数の個数: 72

約数和(自身を含む): 587774880

約数和(自身を除く): 303551930

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 109, 110, 121, 218, 242, 275, 431, 545, 550, 605, 862, 1090, 1199, 1210, 2155, 2398, 2725, 3025, 4310, 4741, 5450, 5995, 6050, 9482, 10775, 11990, 13189, 21550, 23705, 26378, 29975, 46979, 47410, 52151, 59950, 65945, 93958, 104302, 118525, 131890, 234895, 237050, 260755, 329725, 469790, 516769, 521510, 659450, 1033538, 1174475, 1303775, 2348950, 2583845, 2607550, 5167690, 5684459, 11368918, 12919225, 25838450, 28422295, 56844590, 142111475, 284222950]

約数ペア:

[(1, 284222950), (2, 142111475), (5, 56844590), (10, 28422295), (11, 25838450), (22, 12919225), (25, 11368918), (50, 5684459), (55, 5167690), (109, 2607550), (110, 2583845), (121, 2348950), (218, 1303775), (242, 1174475), (275, 1033538), (431, 659450), (545, 521510), (550, 516769), (605, 469790), (862, 329725), (1090, 260755), (1199, 237050), (1210, 234895), (2155, 131890), (2398, 118525), (2725, 104302), (3025, 93958), (4310, 65945), (4741, 59950), (5450, 52151), (5995, 47410), (6050, 46979), (9482, 29975), (10775, 26378), (11990, 23705), (13189, 21550)]