30228220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{12491}}^1$

素因数の和:12522

約数の個数: 36

約数和(自身を含む): 69780312

約数和(自身を除く): 39552092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 12491, 24982, 49964, 62455, 124910, 137401, 249820, 274802, 549604, 687005, 1374010, 1511411, 2748020, 3022822, 6045644, 7557055, 15114110, 30228220]

約数ペア:

[(1, 30228220), (2, 15114110), (4, 7557055), (5, 6045644), (10, 3022822), (11, 2748020), (20, 1511411), (22, 1374010), (44, 687005), (55, 549604), (110, 274802), (121, 249820), (220, 137401), (242, 124910), (484, 62455), (605, 49964), (1210, 24982), (2420, 12491)]