27558740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{347}}^1$

素因数の和:405

約数の個数: 72

約数和(自身を含む): 66824352

約数和(自身を除く): 39265612

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 347, 361, 380, 418, 694, 722, 836, 1045, 1388, 1444, 1735, 1805, 2090, 3470, 3610, 3817, 3971, 4180, 6593, 6940, 7220, 7634, 7942, 13186, 15268, 15884, 19085, 19855, 26372, 32965, 38170, 39710, 65930, 72523, 76340, 79420, 125267, 131860, 145046, 250534, 290092, 362615, 501068, 626335, 725230, 1252670, 1377937, 1450460, 2505340, 2755874, 5511748, 6889685, 13779370, 27558740]

約数ペア:

[(1, 27558740), (2, 13779370), (4, 6889685), (5, 5511748), (10, 2755874), (11, 2505340), (19, 1450460), (20, 1377937), (22, 1252670), (38, 725230), (44, 626335), (55, 501068), (76, 362615), (95, 290092), (110, 250534), (190, 145046), (209, 131860), (220, 125267), (347, 79420), (361, 76340), (380, 72523), (418, 65930), (694, 39710), (722, 38170), (836, 32965), (1045, 26372), (1388, 19855), (1444, 19085), (1735, 15884), (1805, 15268), (2090, 13186), (3470, 7942), (3610, 7634), (3817, 7220), (3971, 6940), (4180, 6593)]